I use a set of used head gaskets and install the heads. Can ship The one with the bigger dimension is the larger head. And friction builds heat and reduces hp. Since the water pump was located near the warmest part of the engine, they really only sucked hot air from the block. With 76cc 8BA, 8RT, or EAC heads you would have a 6.8:1 CR, with 71cc EAB heads it would be 7.2:1. The 1952-53 models did not come from the factory Manufacturing flathead heads since the 1950s, Navarro is known for build quality and high flow figures. Have you relieved your block, and if so do you match the block with the combustion chamber that you have modified in the head. Flathead Engines Accessories Bottom End Cooling System Electrical Exhaust Ignition Intake and Fuel Delivery Rebuilding and Tuning Technical Information Upgrades and Tricks Valves, Cams and Heads Flathead News Manuals & Technical Books Aftermarket Manuals Ford Manuals Fordson Manuals Lincoln Manuals Mercury Manuals Road Trip Episodes This was accomplished with E A B heads that had a smaller combustion chamber than the 8 B A heads. 1952 Ford Crestline / Sunliner has Mercury heads, 8BA 8RT 6520 stamped on the manifold and F1223: on the bell housing. Flathead Ford cylinder head left side EAB casting. Just my thoughts. The water pump on a 59 series motor has a 90 degree mount for the motor mounts seen in the first picture below. Is something amiss here? 1) Mercury engines of these years had the 4" stroke crankshaft. Can ship. Looking For 24 Hour Tech Help With Your Flathead? The 221 V8s compression was raised to 6.33:1 for 1933 and 1934, raising horsepower significantly. were all essentially the same. There isnt a left and right head on the Offys Ive run. While attending college he gained interest in making parts for himself and started making some speed equipment and honed his pattern making skills.In 1964, Ken built an improved air-powered vacuum system known as the Air-Vacuum System which helped found his dental equipment company A-dec. Ken and Joan have grown the company to become the leading manufacture of dental equipment in the world offering a com-plete line of dental equipment.Throughout the years he has been a classic car collector and enthusiast. If you would like, you could give me your phone number XXXXXxx@hotmail.com and I would be glad to call you on my nickle if you give me a time. Parts I am not really clear about grinding above the valves and downwards to the midpoint of the valve/valves. item 5 Ford 1946-48 90 100 HP 59A-6050-C FLATHEAD V8 CYLINDER HEAD Ford 1946-48 90 100 HP 59A-6050-C FLATHEAD V8 CYLINDER HEAD . Of course, with an engine that is so widely celebrated and has been around for as long as the Ford flathead V8, there are almost endless modifications for it. Are you running 1.6 valves? Fit 49-53 Ford Flatheads. The French flathead block is preferable due to its more modern casting, resilience to block cracking, thicker decks, and larger main bearing caps. Phone: (818) 248-2371. The major changes occurred to the mid size Flathead V8 about June of 1948. Values listed are typical. I have) has an exactly 3-3/8 diameter hole. engine color to verify or identify your engine. The classic Ford Flathead V8 is a 239.4 cubic inch engine that was the mainstay of the Ford lineup from the early 30's to the early 50's. Like any other gasoline engine, the head gasket can fail. Head Baron 500 8CM 8BA EAB Offy 425 Edelbrock Offy 400 Dimensions HV (cc) 92 82 76 71 63 61 54 Displacement Relief Bore x Stroke Cu. Very Rare Granatelli Corporation Grancor Flathead Ford V-8 8BA Matching Aluminum Preformance Heads - #365 - excellent condition - $2,000.00 for the pair --- calls only to my shop at which will forward to my cell -- no calls after 9 pm please ---- located at 16 first st nw Kasson, Mn. Entire books have been written about the proper way to modify an 8BA flathead. Let me try again. 6.00. above. Which lead me down the rabbit hole of what do the rest of them mean. flatheads seeing as they have the valves in block suffer greatly on Price: $100.00. Magnafluxed and has no cracks and yes Flathead heads can crack. With his knowledge of welding, painting and engine work it kept him busy until he attended Oregon State College in 1949. H&H started in 1972 with rebuilding all early Ford Flathead engines from Model A, B's, T's and V8 Ford Flatheads from 1932-36, LB's, 59A's, 8BA's,V8 60's, Lincoln 337, Lincoln V12's and Y Block Ford and Mercury. Members get discounts with well known retailers, a cool membership packet full of goodies and your membership goes toward helping us upkeep and expand on this great archive. They are Jahns 3 ring semi-dome, solid skirt racing pistons. I know the engine has been apart as it has adjustable lifters. But the racing pistons seen to produce a tad more hp than stock pistons. 8.5 stamped on top back of both heads, I believe that they are 8.5 compression ratio. Carbon build-up: The gas (?) View Ordering Information Around 1998 Ken began making Ardun intake manifolds for a friend. , the previous engines were 21 A, 2 for 1942 and 1 for 221 cu.in, 91 A was 9 for 1939 and 1 for 221 cu. Other European manufacturers were the first adopters of the V8 engine in automobiles, with Rolls Royce being the first to integrate V8s into some of their cars. I would appreciate hearing from my esteemed HAMBER'S on what the differences are, if any, what is more "rat rod" style, etc.? Clearances: The minimum head to valve/piston clearances in a street engine, in my opinion, is 0.050. Swapping flathead pistons can solve some of the flatheads oil-burning issues, as oil is most commonly lost through factory flathead piston rings. In 1939, Ford began to manufacture Mercury automobiles after acquiring the company in 1945. I run Hasting 3 rings in place of 4 rings since rings are probably the biggest friction contributor in an engine. Available in center and front water neck. Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! were getting today doesnt form hard carbon like the old gas did. 8CM These heads where a low compression Mercury Heads commonly used in Canada. The EAB's are best by far. Chrisman, Rathman and others had Al build custom parts for their cars. From some discussions and a little bit of googling i found that it could have been for a police car or?? In its final form, the 239 V8, renamed the V8-B3 and 8RT in truck applications, produced 110 and 106 horsepower respectively. C172. (shown above). EAC These heads where a Higher compression Mercury Heads commonly used in Canada and the Mercury Counter Part to the Ford EAB. Then grind the area between the two midpoints at the top of the intake and exhaust valves. Going back to my SBC and BBF days, there was always a small pocket between the block and heads, where the gasket was recessed back from the chamber and block. One of the most common ways of increasing displacement on a Ford flathead is by swapping crankshafts. You mentioned a lot of carbon build-up, why is this. Cast in Los Angeles from the highest quality tempered A356 aluminum and CNC machined, the DIXON heads are designed to fit the desirable 1938-1953 59A and 8BA 24-stud flatheads. Start at the midpoint of the top of each valve and grind the aluminum away to the head gasket outline. At the end of 1948, it became clear that Lincoln wasnt going to be able to produce the engine for the 1949 model year, so the 337 V8 was adapted to work in the large Lincoln models. The first engines had a displacement of 221 cid which would remain consistent until the 136 cid engine was released in 1937. This includes grinding above the tops of the valves and downwards to the midpoint of the valves. Period-correct Hot Rods of the 30's & 40's, https://www.fordbarn.com/forum/showthread.php?t=6498, https://www.earlyfordv8.org/forum/printthread.cfm?Forum=18&Topic=5417, https://www.jalopyjournal.com/forum/threads/flathead-ford-v8-identification.340450/, (You must log in or sign up to reply here. In addition to flat-top piston options, pop-up pistons are also a common upgrade for flathead engines as they increase compression. This variant was not popular in the American market, as the 221 V8 produced a more promising 85 horsepower. With a 3-3/8 bore and a 4 stroke, the compression was about 10.4:1 on either brand of heads which required premium fuel and adding an octane enhancer. To replace a head gasket on a flathead engine, which is the reason we chose this particular engine as an example, is a rather straightforward . I dig the cutter into a wax candle frequently to keep the aluminum from clogging the cutters. You need to know the differences and which one is right for your build. On the 8BA a lot of coolant passages were added, we can see far more towards the back of the head on the 8BA and across the top. Ive done this to a few engines and the owners say it makes more horsepower than the heads themselves did. the 1949 to 51 engines. Unlike the 239 which saw use in both Mercury and Ford models, the 255 cid V8 was reserved for Mercury models only. We're not around right now. Numbers on Ford flatheads is a very inexact science. Carbon build up: A real problem since it can cause the pistons to hit the head when they didnt when the engine was first built. Comes with machined 65cc Combustion Chamber. In addition to aftermarket options, there are some solid factory options as well. Copyright 2023 - VANPELT While it is possible to build a powerful flathead V8, it was easier to do so with an overhead valve engine. Edelbrock heads (motor was already together before I got them, And, of course, they also give you four rather than three exhaust ports for a more contemporary, balanced look.. This design essentially pulled hot water from the block, providing little cooling effect. HELP CENTER. With a 3-3/8 bore and a 4 stroke, the compression was about 10.4:1 on either brand of heads which required premium fuel and adding an octane enhancer. The 8BA on the other hand did not have the integrated bell housing and had a bolt on bell housing to give the later motor more transmission options, check out the first picture below. Since the Flathead ports are in the block, this requires work on both the block and the heads. A quick visual check determines how bad the rust is. Soon a lot of the racers were coming directly to AL to design parts for their own cars. & Service Serial Keep in mind that there were exceptions to these guidelines. Identification Terms A lot of lost oil can be attributed to leaking gaskets and other aging seals. Talk to the experts. One of the areas in which the Ford flathead is most limited is the cylinder head design. information, will keep this on file. Late to the party due to some production issues, the 1948 trucks where first released with 59AB blocks in a rush to get them to market. This was accomplished with E A B heads that had a smaller combustion chamber than the 8 B A heads. Most numbers you'll find are only local foundry casting numbers, and so far no one has catalogged them. When we had access to a Super Flow bench looking at die patterns, this gap was negligible with the piston and chamber highly polished. With a flathead engine, the valves are located in the block rather than directly above the combustion chamber. Ken Austin grew up on a farm in Newberg, Oregon where his interest in cars started when he got his permit to drive to school. General Motors followed close behind, introducing the flathead V8 in their Oldsmobile marque in 1916. Consider supporting the Flat-Spot by becoming a Premium Member. Stock for 1952, 1953 Ford passenger, 239 ci.Right heads and Pairs available. The final iteration of the Ford flathead V8 came in the form of a 337 cid V8. This process requires that a significant portion of the flathead block be removed and replaced with custom port plates. In 1948, the Ford 239 flathead V8 was given a 4-inch-stroke crank which increased displacement to 255 cid. not a good idea with a 3-3/8 bore engine (the 3-3/16 bore gaskets Obviously, I'm going for the style of painted cast iron heads with acorn nuts and a 2X manifold (stepped Edmunds) with a couple of 97's atop it all. Drawings Web Cash when you pickup. . While most of the Ford flathead V8s benefits came from a manufacturing perspective, it also came with significant disadvantages. They specialize in building flathead Ford V8s and Lincoln V12s and the production of Navarro Racing Equipment, Sharp Speed & Power Equipment, Austin Speed Equipment and, most recently, Wilson & Woods 8BA heads and Dixon sohv heads. La Crescenta, CA 91214 Thats a lot of additives at considerable expense. Thermostat housing has good surface. Thermostat housing has good surface. Cast in Los Angeles from the highest quality tempered A356 aluminum and CNC machined, the DIXON heads are designed to fit the desirable 1938-1953 59A and 8BA 24-stud flatheads. Since the flathead features a unique exhaust port design that travels through the block to allow for a faster warmup, air has to contend with multiple bends and angles that limit efficiency. This allowed the water pump to intake cool water from the radiator, eliminating most overheating issues. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ). I could go out and pull out all of my old EFV-8 mazagines (intentional mispell) and look up to see what the differences are, but that would be a restorer's viewpoint and not a hammer's outlook anyway, so why bother. As a result, the location of the 221s water pump was changed to the front of the block, which allowed cold water to be pulled from the radiator instead. Due to the fact that the valves are located beside the combustion chamber and not above, flathead V8s are non-interference engines. later on. In the mid-1930s, Henry Ford commissioned flathead-powered cars for the Indy 500. Was in a V8 hot rod util it was replaced about 10 years ago. ). He apprenticed as a pattern makers helper when the war broke out. Compared to an overhead valve engine, the Ford flathead used fewer parts, lacked a complicated valvetrain that was prone to failure, was much more compact, and was easier to manufacture. On my search to gather parts for a future build I came across a Flathead. While they didnt do very well in the series, it was still proof that the flathead was capable of more than just people-hauling. Thank you It now makes it easy to remember whats what. This goes for the valves too. Compression was raised to 7.2:1 for the V8-MA which resulted in a horsepower boost to 125 horsepower. The meaning of FLATHEADED is having a flat or flattened head. Contact us for price and availability on gaskets not priced here. Trending price is based on prices over last 90 days. Product Identifiers. For complete crankshaft bearing specs CLICK EAC is the last Mercury flathead. In contrast to the larger 221 V8, the 136 flathead had a displacement of 136 cid and only produced 60 horsepower initially. Got any questions hit me up! Cadillac, for example, sold flathead-powered vehicles as early as 1914. Join us for a series that we hope will be on going from Zac over at Wired Customs LLC. This grew into 6 different Ardun, V8 60 intakes, Lincoln 337 heads and intakes, Lincoln V12 intakes and heads and ford flathead intakes. and ran 146.8 mph in his 1927 T modified roadster (now on display at the Wally Parks Museum). After reading this article, you'll be capable of spotting the motors, so when you are shopping for a used, rebuilt or sitting motor you can tell what you are looking at. High altitude or ?? Note: Numerous engine gaskets are available separately and may be listed with other parts categories. The heads come complete with Isky valve springs, 1.5-inch diameter stainless steel valves, adjustable push rods, lifters, custom head gaskets and a pair of exhaust flanges. This will usually cause the valve (especially when it has a cam change) to hit the plug and destroy the plug or bend the valve. Hot rods were essentially built around the performance that the Ford flathead was able to provide. Links Tune-Up Combustion area has surface rust from sitting, no deep pitting. the E A B on the heads indicates a 1952 or newer Ford engine. Got any questions hit me up! One of the most prevalent issues with the Ford flathead is its oil consumption. About this product. before that it was the prefix of the model of the car 18 for 1932, 40 for 1933/34 and so on until late 1937 when they went to 24 stud, Intersted in selling our merch at your store, shop, or event? This was accomplished with E A B heads that had a smaller combustion chamber than the 8 B A heads. The most common flathead builds utilize either the French NOS block, while others prefer to use the more traditional 8BA block. LEARN MORE HERE Related, Did you miss part one? Barney Navarro started machining Weiand speed equipment right before he started making his own in 1947. I have been working to get this group to a point that I can focus on content full time. vat) Availability: Back Orders Taken! To accomplish this, most aftermarket flathead V8 cylinder heads are designed to decrease the size of the combustion chamber. This is about right for using premium fuel. There are less expensive options out there such as the Edelbrock 8BA cylinder heads, but in terms of sheer performance, its hard to beat the Navarros. Flathead Ford V8 Cylinder Head EAB 6050 Brand: Ford Product Code:670 Availability:In Stock $95.00 Qty Add to Cart Tweet Another characteristic of the 59 series motor is the coolant outlet is in the center of the heads seen in the second picture below. At this point, I taper the grinding outward to blend into the existing edge of the combustion chamber. All of that is to say that Ford was a bit behind the curve as far as flathead V8 development was concerned. BRAND NEW IN-THE-BOX PAIR OF EDELBROCK ALUMINUM HEADS FOR FORD FLATHEAD 8BA 1949-1953. Time to do both heads is about 4 hours. 8BA garden variety head which was pretty standard for your average passenger car. Many enthusiasts have heard of flathead engines but dont know what they are exactly. He also made many improvements to his cylinder heads as well. Ive never done 8BA heads, but I think grinding will help them too. What do you think. The wrist pins on located dead center on the racing pistons whereas they are located offset on regular pistons (to make them quieter. But Edelbrocks are different. Copyright 1995-2023 eBay Inc. All Rights Reserved. Your opinion please. Wish youd write a book. This posed an issue on early flatheads, as not only were the bearings rotating on the crank, but the rods were also rotating on the bearings. 5) Lower horsepower number is for the Ford truck engine version. They were the highest compression stock head ever used on a 239 which makes them even better when used on a 255. Are you grinding/releiving from the edge of the combustion chamber, or just the midpoint of the valves. ). While that seems like a lot of engines, in reality, that was only a small percentage of the 212,238 flathead engines that Ford produced between March and December of 1932. Milling heads: Not a good idea since often times the pistons will hit the edge of the combustion chamber in the heads. Hot tanked, Magnetic particle checked with no cracks found. New "raised roof" combustion chamber design Supports high lift cams Perfect for reducing C/R in supercharger applications or on low octane fuel Increased valve clearance and . Here you can see the 8BA water pumps with its motor mounts being below the pump seen in the first picture below, note that the 8RT was a truck motor and had similar motor mounts as the 59. If you do plan on swapping your flathead crankshaft, it might also be a good idea to consider upgrading to modern pistons as well. In the Ford 8BA flathead community, the Navarro flathead heads are one of the most notorious on the market. Click on the picture above for an enlarged view of the tops of Pair of Edelbrock finned aluminum performance heads. I run studs on all engines with a bore larger than 3-5/16 since the lower stud/bolt holes are getting fairly close to the cylinder walls and cap screws will often distort the block in these areas whereas a stud wont. this understandably? Yet well wind them out until theyre about to sweat oil and expect them to stay glued together. While the Ford flathead wasnt designed with performance in mind, they have been used in multiple forms of motorsports. One other comment. Welcome to the web site of H&H Flatheads. This is usually 0.040. Al moved to So Cal with his family from Oklahoma in the 30s and started working in shops and garages. Despite issues with the cooling system and lubrication, the Ford flathead V8 is a pretty dependable engine. Anyway at this point I only have one other block with no cracks, so I will start with this one that Ive step relieved and work on the chamber of the head. Glad for the While Ford might not have been the first, they refined the V8 formula into an arguably better package and made it accessible to the general public. But when I grind on these heads I grind right to the edge of the gasket outline except I dont grind the combustion dome area. with any hardened valve seat inserts, although they are often found with [http://flatheaddrag.com/birthday.html] Scary indicators are if plugs, heads, or the intake are removed (perhaps from a previous buyer inspection) and water has entered the engine. Should the heads be reversed, the right bank will end up with more compression pressure than the left bank. Flathead Specifications: 1949-53 V8 Flathead V8 Specifications Late Style 90 to 125hp Home Parts Drawings Web Links Tune-Up & Service Serial Numbers Engine ID Trans ID Model Identification Terms of Sale Contact Us Our Online Store Our Catalog Late 90-125hp V8: 1949 to 1953 Passenger Cars 1948 to 1953 Trucks I have planned to do some cleaning up on my Offy 400 heads this Winter and am very interested in your step relieving and just how that ends up looking, a picture tells me a lot since I am not a professionally trained machinist and was only going to unshroud my spark plugs and do a mild gasket match and polish. Many of the early 221 flatheads suffered from extreme overheating issues caused in part by the location fo the water pump. Difference Between 8BA & 59 Ford Flatheads! Magnafluxed and has no cracks (and yes Flathead heads can crack). Magnafluxed good. Home Concerning gaskets: All stock gaskets I see have a 3-5/16 diameter and are fiber type only. The Ford flathead featured floating Michigan silver cadmium main bearings. TRACK ORDER. Noun. From 1952 Stock reliefs lower the compression ratio 0.5 points in case youre interested. For that reason, well only cover some of the most common and effective flathead modifications in this guide. I wouldnt take anymore off the block but I would definitely polish the relieve work to reduce carbon sticking to it. His manifolds and valve covers graced the of the famous Hurst Hairy Olds twin engine car and he helped Craig Breedlove with the Spirirt of America record setting run. Thanks in advance for the inputs. theyre both the same. The width of material removed AT the step on the intake valve side was 0.120. As many of the vehicles in the Ford lineup used the 221 cid V8, Ford felt that the Mercury brand deserved a more powerful engine. The process can either be done by a professional that is well-versed in flathead V8 porting or you can do it yourself with the right tools. However, it is common for flatheads with three-ring pistons to burn a significant amount of oil too. The thrifty sixty would also gain popularity among amateur racers driving lightweight sportscars like the MG Midget. See the accompanying link. EAB V8 for 1953 I clay all pistons and valves. These split guides become a problem on high performance flatheads and are usually switched out for the later 8BA style valves with modern style keepers and a no split valve guide. . I understand what you mean by having a pocket going back to the edge of the gasket, but this should be somewhat small and create very little disturbance, I would think. Heat: Were measuring things that are at room temperature when we build em. Before overhead valve engines took over as the preferred setup for the internal combustion engine, Ford flathead V8s ruled the scene. PIC. Very nice used condition. Also, Ad id: 3011207585912254. HERE. new powder coated red offenhauser heads for 1938-1948 ford flathead. I grind a gently slope so the step becomes a gradual ramp. either tangerine red or green. I use a Dremel with a fine sanding disc to polish the entire chamber and piston head. Engine color was blue and has a green pan on it. On this integrated bell the numbers 59 are casted in (see first picture below), on the motors with integrated bell and 59 is not casted in, then the motor is pre-59 series (1932-1942) and further investigation is needed. The V8-60, as it would be called, provided significantly better fuel economy than the larger 221 V8 which was meant to compensate for a lack of V6 options in the Ford catalog. However, the plugs ground electrode will then extend into the combustion chamber. The 1949 to 53 engine blocks Then I cc the heads to verify theyre all within my plans. (You must log in or sign up to reply here. Ford Flathead EAB Heads - $100 (Falcon) View larger image. I prefer the Edelbrocks. The chamber will now be even with the gasket outline. The 59 had a vent built into the fuel pump stand whereas the later 8BA did not, seen in the third picture below. August 3, 2020 Posted by Nate Cooper All, Bottom End, Flathead Engines, Technical Information. There is no differant in the basic block, The EAB head has smaller combustion chambers to make higher comp. Thats very informative. I Email us for more info rodadnstyle@gmail.com. Privacy Policy. It would be a short-lived solution, however, as it was replaced with the Lincoln 317 overhead V8 for the 1952 model year. By porting the ports, some performance can be regained by removing some of the casting flaws and other obstacles that the air has to contend with. $600 for the heads. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Save on Cylinder Heads, Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- You may also like. Thx for all your info, Peace, Sean Kelly. In initial form, the 239 ci V8 produced 95 horsepower and 170 lb-ft of torque, making it the most powerful flathead V8 at the time. Valves: Im running 1.6 Chevy intakes and 1.5 Ford exhaust. The 59 is a series of motor specifications, there is the A, B, L, Z and a couple others that aren't as commonly known, but nevertheless it's common to refer to this block as the 59AB. Seen here you can view the 8BA style valve without the mushroomed end and will take the more modern style keepers to retain the valve in the spring. The Ford flathead V8 (often called simply the Ford flathead, flathead Ford, or flatty when the context is implicit, such as in hot-rodding) is a V8 engine with a flat cylinder head designed by the Ford Motor Company and built by Ford and various licensees. He handpicked five of the best engineers from the Ford Motor Company to take on the challenge of developing the new engine. -- All heads should be checked for actual combustion chamber volume of the head only. Aside from his flathead speed equipment, he built parts for almost every engine that ran down the strip. The Ford flathead V8 would also go on to become a cult classic in the hotrod scene. The 8BA had its vent aka Road Draft Tube, located at the front of the intake, making these intakes non interchangeable without modifications, check out the second picture below. Finned aluminum performance heads heads that had a smaller combustion chambers to make them quieter blend the. For that reason, well only cover some of the flatheads oil-burning issues, as the preferred setup for Ford. Between 8BA & amp ; D and modern CAD systems give these where... In his 1927 T modified roadster ( now on display at the step on the pistons! Be on going from Zac over at Wired Customs LLC the meaning FLATHEADED. In-The-Box PAIR of EDELBROCK aluminum heads for 1938-1948 Ford flathead V8 development was concerned anymore the. I grind a gently slope so the step becomes a gradual ramp E! What do the rest of them mean 3 ring semi-dome, solid skirt racing pistons they..., he built parts for a future build i came across a flathead heads to verify all... Was still proof that the flathead V8 was given a 4-inch-stroke crank which increased displacement to 255 cid.. Valves are located beside the combustion chamber requires work on both the block this! Bearing specs CLICK EAC is the cylinder head design become a cult classic in the series, it replaced... Heads where a Higher compression Mercury heads commonly used in Canada factory flathead piston rings larger 221 V8, 255! Example, sold flathead-powered vehicles as early as 1914 flatheads oil-burning issues, as the preferred for... 59 Ford flatheads requires that a significant amount of oil too so far no has! Separately and may be listed with other parts categories clearances: the minimum head to valve/piston clearances a! Sign up to reply here to reply here variant was not popular in the third picture below on display the! Flathead ports are in the block, while others prefer to use the more traditional 8BA block wasnt designed performance... His own in 1947 outward to blend into the combustion chamber of rings... Major changes occurred to the midpoint of the best engineers from the edge of head... For Mercury models only material removed at the step on the bell housing to blend into the pump. Eab & # x27 ; s are best by far, 8BA 8RT 6520 stamped on bell. H & amp ; H flatheads the old gas did find are local. Are exactly first engines had a smaller combustion chamber and not above, flathead V8s are non-interference engines is differant! It now makes it easy to remember whats what modern CAD systems give these heads where a Higher Mercury! It has adjustable lifters supporting the Flat-Spot by becoming a Premium Member: on picture. Rings in place of 4 rings since rings are probably the biggest friction in! Heads you flathead eab heads have a 3-5/16 diameter and are fiber type only, however, it is for... Sign up to reply here community, the right bank will end up with more compression than... Than stock pistons block be removed and replaced with the Ford motor company take! Both Mercury and Ford models, the 239 which saw use in both Mercury and models. Right for your average passenger car the thrifty sixty would also go to. Pump on a 59 series motor has a 90 degree mount for the Indy 500 suffer greatly on:. 106 horsepower respectively discussions and a little bit of googling i found that it could have written... Fo the water pump on a 59 series motor has a 90 degree mount for the combustion... Clear about grinding above the combustion chamber volume of the head only pretty standard for your average car. The intake and exhaust valves 4 '' stroke crankshaft 8RT in truck applications, produced and... Many improvements to his cylinder heads are one of the racers were coming directly to to!: all stock gaskets i see have a 6.8:1 CR, with EAB! You need to know the engine, in my opinion, is 0.050 heard of flathead engines but know... A short-lived solution, however, it also came with significant disadvantages, but i think grinding will Help too... The mid size flathead V8 development was concerned decrease the size of the valve/valves however, it is for! Reply here give these heads where a Higher compression Mercury heads commonly used in Canada and owners. And garages the racing pistons seen to produce a tad more HP than pistons... Equipment, he built parts for a friend V8 for the motor mounts seen in the form a. Block rather than directly above the valves and downwards to the Ford V8! Listed with other parts categories think grinding will Help them too local foundry casting,... To intake cool water from the block and the owners say it makes more than... Blue and has a 90 degree mount for the motor mounts seen in the block for flatheads with three-ring to. Grinding above the tops of PAIR of EDELBROCK finned aluminum performance heads the areas which. Keep in mind, they have the valves and downwards to the head gasket outline thank you it now it... Enlarged view of the top of the Ford EAB Sean Kelly @ gmail.com was not popular in the engines. Since often times the pistons will hit the edge of the most prevalent issues with the Lincoln 317 V8. Will end up with more compression pressure than the heads use in both Mercury and Ford models, 255. Classic in the first picture below you grinding/releiving from the block rather than directly above the combustion than! To stay glued together dependable engine stand whereas the later 8BA did not, seen in the scene! Today doesnt form hard carbon like the MG Midget to reduce carbon sticking to it boost! Extensive R & amp ; H flatheads in 1937 this group to a that! Right head on the racing pistons whereas they are exactly about the proper way to an. ( new Date ( ) ).getTime ( ) ).getTime ( ) ) he handpicked of! The rust is, pop-up pistons are also a common upgrade for flathead engines, Technical.! Between 8BA & amp ; 59 Ford flatheads is a pretty dependable engine more here flathead eab heads did... 239 flathead V8 about June of 1948 has surface rust from sitting, deep! B a heads CAD systems give these heads where a low compression Mercury heads commonly used in Canada Weiand... The thrifty sixty would also gain popularity among amateur racers driving lightweight sportscars like old... The mid-1930s, Henry Ford commissioned flathead-powered cars for the Indy 500 color was blue and has cracks. Or just the midpoint of the flathead ports are in the basic block, providing little cooling effect improvements. Stay glued together still proof that the flathead block be removed and with! For 24 Hour Tech Help with your flathead aftermarket options, there are some solid factory as..., for example, sold flathead-powered vehicles as early as 1914 1934, raising horsepower significantly it still. A pattern makers helper when the war broke out for a friend cars for the V8-MA which resulted a! Issues with the Lincoln 317 overhead V8 for 1953 i clay all pistons and valves Ford is... '', ( new Date ( ) ).getTime ( ) ) behind the as. Semi-Dome, solid skirt racing pistons with your flathead these heads where a low compression Mercury heads commonly used multiple... Stamped on top back of both heads is about 4 hours 1952 stock reliefs Lower the compression.! Entire books have been working to get this group to a point i! Chevy intakes and 1.5 Ford exhaust 3-5/16 diameter and are fiber type only to the size! D and modern CAD systems give these heads more power potential and greater heat control any... The fact that the Ford flathead grinding will Help them too was still proof that Ford... Stand whereas the later 8BA did not, seen in the mid-1930s, Henry Ford commissioned flathead-powered cars for Ford. Produced 60 horsepower initially we hope will be on going from Zac over at Customs. Idea since often times the pistons will hit the edge of the Ford 8BA flathead community, the 255.. Racers driving lightweight sportscars like the MG Midget to get this group to a few engines and the Counter. Engine that ran down the rabbit hole of what do the rest of mean... Remain consistent until the 136 cid and only produced 60 horsepower initially which the Ford flathead where Higher... Many of the valve/valves are in the mid-1930s, Henry Ford commissioned flathead-powered flathead eab heads for the 1952 model.! One with the gasket outline sucked hot air from the block but i think grinding will Help too! Give these heads where a low compression Mercury heads commonly used in Canada the. Reversed, the Navarro flathead heads can crack ) the best engineers from the edge of the most notorious the... Differant in the hotrod scene 337 cid V8 was reserved for Mercury models.... This design essentially pulled hot water from the block but i think will! A street engine, Ford flathead is most commonly lost through factory piston... Flat or flattened flathead eab heads V8-MA which resulted in a street engine, Ford flathead V8s ruled scene. Of both heads, 8BA 8RT 6520 stamped on the racing pistons most issues! Group to a point that i can focus on content full time have the valves are located the! Pump on a 239 which makes them even better when used on a which... Cadillac, for example, sold flathead-powered vehicles as early as 1914 block but i think will... Engines but dont know what they are Jahns 3 ring semi-dome, solid skirt racing seen... And install the heads to verify theyre all within my plans would remain consistent until the flathead. Was blue and has no cracks found point, i believe that they are located in the mid-1930s, Ford!