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. 1949 to 1953 Aluminum Ford Flathead cylinder heads. The 1952-53 models did not come from the factory Works well on stock or modified engines. I am not really clear about grinding above the valves and downwards to the midpoint of the valve/valves. That would put it between the years of 1942 and1953 during the years of the flathead 6. DEALS. When I bought this engine, 50 8BA, it had maybe 1,000/2,000 miles after a factory rebuild back in the 50s. Copyright 2023 - VANPELT The EAB cam has a highter lift than the 8BA for better . I have read where these heads have good flow chartisics. Sopp, From: fearless Sent: 11/3/2002 2:52 PM Rumbleseat, I for one would second the call for your upcoming book. in. Yet well wind them out until theyre about to sweat oil and expect them to stay glued together. You need to know the differences and which one is right for your build. While pop-up pistons will certainly yield more horsepower, youll need corresponding cylinder heads in conjunction with them. Recessing spark plugs: If you recess the plug seats 0.072, itll make the bottom of the plug shell flush with the combustion chamber. View cart for details. Don't miss out on our latest articles and merch! 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. Good heater threads as well as thermostat housing surface. What do you think. Unlike the 239 which saw use in both Mercury and Ford models, the 255 cid V8 was reserved for Mercury models only. Made in the USA. Our Catalog, The Strato-Star I would appreciate hearing from my esteemed HAMBER'S on what the differences are, if any, what is more "rat rod" style, etc.? 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. Are you running 1.6 valves? Compression was raised to 7.2:1 for the V8-MA which resulted in a horsepower boost to 125 horsepower. 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. I wouldnt take anymore off the block but I would definitely polish the relieve work to reduce carbon sticking to it. The Ford flathead V8 was initially only offered in a single displacement, 221 cid. RETURN TO INDEX Was this article a help? Blueprint BP3474CTC Ford 347 Stroker Dressed Engine Alum Heads. 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. Both have 45 degree seats since Im dont rev the engine out of sight (where 30 degree seats help). Call 800.979.0122, 7am-10pm, everyday. Fit 49-53 Ford Flatheads. 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. Al moved to So Cal with his family from Oklahoma in the 30s and started working in shops and garages. This eliminates possible damage to the aluminum heads with wire wheels, and carbon scrapers. The 59 head, stated earlier, has the center coolant outlet and the 8BA has its coolant outlet on the front, but what we need to focus on is the coolant passages. He started The Hot Rod Shop in 1945 where he fixed and customized cars. in the title represents that this is from the archive of the late Bill Bently, who ran a flathead Q&A informational site before he passed away. So let's dive into both of their characteristics. You have a 286 engine. 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. However, it is common for flatheads with three-ring pistons to burn a significant amount of oil too. A 59 has a single oil passage for the single rod journal that is shared between both rods, seen below in the first picture, and the 8BA has two oil passages and each rod has its own journal. Magnafluxed - $110 (Hedgesville), 1933 Flathead ford roadster hot rod - $24000 (Tacoma, WA), Flathead Ford 59AB, 1948 ford, flathead, henry ford, 1947 ford, - $2100 (Chester), 8BA Flathead Ford cylinder head right side. The combustion chamber is also poorly designed for efficient combustion which limited power and made emissions very poor. Click on the picture above for an enlarged view of the tops of Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. With that being said, some modifications work better on some variants of the flathead than others. 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. Throughout that 21-year run, the Ford flathead was revised multiple times, receiving more displacement, horsepower, and reliability in the long run. Number one rod cap got loose and finally broke the studs as I first fired it after purchasand doing a compression test! I have are just being used to hone engine to its final 3-3/8, After doing this work to the Edlebrock head, what is the approximate cc, are you running around 67/68ccs. Flathead engines are simple machines, at least as far as engines go. Numbers on Ford flatheads is a very inexact science. Exhaust Manifold Flange Gasket. 8RT The 8RT was a low compression Truck head. You can tell which is the larger head by measuring from the head surface to the bottom of the valve pocket on both heads. Trending price is based on prices over last 90 days. Price: $100.00. Engine Stud & Bolt Kits for Cylinder Heads. noticed that a stock gasket for a 3-3/16 bore (at least the one PIC. A lot of lost oil can be attributed to leaking gaskets and other aging seals. I believe it is from a 6 cylinder as it only has one inlet and one outlet. From: rumbleseat (Original Message) Sent: 10/31/2002 8:47 PM I read with interest the many comments on heads. About this product. while the 8 R T engines were rated at 100 H.P. The right head has 66.0cc and the left head has 63.0cc. Thats very informative. Magnafluxed good - $110 (Hedgesville), Flathead Ford Engine Assembly 49-53 8BA Fresh - $500 (west knoxville), flathead ford v8/4 barrell intake - $400 (springfield, mo), Flathead Ford Mercury Clutch Equalizer Shaft Bar - $30 (Pickerington), Flathead Ford V8 Oil Pump Assembly NOS - $125 (East Sandwich). Remember carbon build up increases compression pressure and leads to detonation. Numbers Engine 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. I grind this material away to improve gas flow and lower compression ratio (c/r). above. I clay all pistons and valves. later on. Retail in Speedway is $1074. Entire books have been written about the proper way to modify an 8BA flathead. 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. That's a lot of additives at considerable expense. Very desirable among flathead guys, some would say its the most wanted flathead of all because EAB/EAC had the best stock camshaft and the highest HP. information, will keep this on file. Seen here below the 59 had straight cut gears for the oil pump, the 8BA oil pump has helical cut gears. Identification Terms He was the first to run a roots style 371 blower on a destroked 24 stud motor 176c.i. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Save on Cylinder Heads, Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- You may also like. Contact us for price and availability on gaskets not priced here. Now that you have this information go out and buy yourself the correct Flathead for your build so you can get in the garage and Get Your Shift Together! Rather than invest in flat top pistons, I elect to grind on the aluminum heads. 1947 and Older Ford Trucks - Porting & polishing EAB V-8 flathead - Hi There: I am wanting some information on porting & polishing my 53 EAB V-8 frod flatheads. In contrast to the larger 221 V8, the 136 flathead had a displacement of 136 cid and only produced 60 horsepower initially. As a result, airflow was extremely poor through the engine, reducing efficiency significantly. Brand. He was a pioneer in the evolution of the flathead. Very nice used condition. The new Sharp V8 60 flathead cylinder heads with front water neck. 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. Id stand in line to buy it. For instance, the EAB heads found on post-1952 flatties have a smaller combustion chamber than the 8BA heads resulting in a higher 7.2:1 compression ratio. Shop 1949-53 Ford Flathead V8 Cylinder Heads and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. At this point, I taper the grinding outward to blend into the existing edge of the combustion chamber. It was strictly used in the new Ford F-1 through F-8 trucks of that year. These are the only intakes still made for the Lincoln 337 flathead. If I dont grind this material away, there will be a pocket between the head and block which will go clear back to the gasket. Ive run 30 degree seats on the intakes many times, but dont feel its worth the extra time and wear on the valve seat stones. How much do you take off above the valves, and do you do it for both intake and exhaust or just intake. It isnt uncommon to see heavily modified flathead V8s pushing 300 horsepower, over three times what they produced from the factory. This will locate the edge of the gasket exactly even with the edges of the combustion chambers. With a reverse flow flathead V8, the intake and exhaust ports are reversed, with the exhaust ports becoming the intake ports and the exhaust ports becoming the intake ports. ID Model At this point, the Ford flatheads legacy should be pretty apparent. 8CM These heads where a low compression Mercury Heads commonly used in Canada. In 1952 the comp ratio was increased from 6.8 to 7.2 to 1. Engine Colors: Manufacturing flathead heads since the 1950s, Navarro is known for build quality and high flow figures. After polishing the heads are ccd. My opinions and experience follow. 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 . SALES LLC - All rights reserved. The car is also falling on its face when accelerating. As one of the first mass-produced V8 engines, the Ford L-Head flathead was the first V8 engine that could be realistically purchased by the masses. family Platycephalidae, Platycephalidae - scorpaenoid flatheads. Due to the fact that the 239 and 255 shared a majority of components other than the crank, swapping a 255 crank into a 239 engine was a common modification amongst speed freaks. The two most common Flathead motors are the 59AB (1946-1948) and the 8BA (1949-1953). The home of the Ford Flathead rebuilding specialist from mild to wild. I want to relocate the top edge of the step towards the center of the dome. GIFT CARDS. The 255 V8 received many of the updates that the flathead line got following WWII. The meaning of FLATHEADED is having a flat or flattened head. The original c/r was 10.4:1. the E A B on the heads indicates a 1952 or newer Ford engine. With a flathead design, the pistons almost come in contact with the flat cylinder heads saving a bit of space for the air/fuel mixture. I This seems to contradict what you said HELP CENTER. He and Gene Mooneyham built and sold some of the first aluminum heads for the Chrysler Hemi. ). The 136 cid V8 was eventually discontinued in the US in 1940. There is no differant in the basic block, The EAB head has smaller combustion chambers to make higher comp. When shopping for the right Flathead for your traditional Hotrod, knowledge is power. 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. Muscle Car Club is a blog dedicated to informational resources and guides for both modern and classic muscle cars. 24-BOLT. Ive never done 8BA heads, but I think grinding will help them too. In 1948, the Ford 239 flathead V8 was given a 4-inch-stroke crank which increased displacement to 255 cid. Here is a simple brake down of the stock Flathead heads that we have found and what you can expect to be different between them. Thermostat housing has good surface. RICK R 44, Dec 17, 2015 SHARE POST #3 I have) has an exactly 3-3/8 diameter hole. Ford Flathead EAB Heads - $100 (Falcon) View larger image. Can you please tell me if this is ford or mercury and what year? this understandably? He is doing a wonderful job creating these videos to help out people like me that want to know the tricks and tips. As a result, the 239 V8 was created. Best Ford Mustang Engines In History Guide. For instance, the 255 received tri-alloy bearings, four-ring pistons, an aluminum cam gear, and a higher-capacity oil pump. 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. Throughout the design process, the Ford team would closely inspect the flathead designs of their competition, which all employed complicated multi-piece bottom ends. The 59 had a vent built into the fuel pump stand whereas the later 8BA did not, seen in the third picture below. 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. were getting today doesnt form hard carbon like the old gas did. From: rumbleseat Sent: 11/3/2002 3:47 PM Sopp, cobra, fitts: Sorry about not getting back to you sooner, but the site wouldnt let me yesterday. His passion for Hot Rods and to create new products has helped the after-market industry continue to grow, DIXON heads relocate the exhaust valve out of the block and into the head reducing overheating and allowing for vastly improved exhaust gas flow. C172. 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. It set the record for the Bonneville flathead class at 302.2 mph. The first engines had a displacement of 221 cid which would remain consistent until the 136 cid engine was released in 1937. Also, Its everything you need to make the conversion. Us Our How much will this help my flathead? After the 221 flatheads success, Ford decided to produce an additional small-displacement variant of the flathead V8. This is a 1948 59AB, you will receive the long block for $2100.00 cash1932 ford, 1948 ford, 1951 ford, flathead, gasser, rat rod, street rod, t bucket, roadster, sedan, 1936 ford, 8BA Flathead Ford right side cylinder head. 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. Note: Numerous engine gaskets are available separately and may be listed with other parts categories. In the first few years, thousands of flatheads were recalled to the Ford plant to have multiple components, such as the cams, valves, valve guides, and front covers replaced. This was accomplished with E A B heads that had a smaller combustion chamber than the 8 B A heads. 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. If youre like me when the question comes up about what does this number on my Flathead head mean, I wanted to make sure my members get answers. Henry Ford wanted to simplify the design to not only make it a more rigid and sturdy structure, but also to make the production of the engine easier. In addition to flat-top piston options, pop-up pistons are also a common upgrade for flathead engines as they increase compression. Again, this is all part of my series of silly questions as I prepare to put together a flatmotor for my '36 ratrod pickup. In 1939, Ford began to manufacture Mercury automobiles after acquiring the company in 1945. Email us for more info rodadnstyle@gmail.com. cobra: Because I bored my block a tad larger than 3-3/8 I had Jahns make me up a set of pistons. Can ship Flathead Ford Engine Assembly 49-53 8BA Fresh1949-1953 Ford 8BA Flathead V-8 block, crank, rods, cam and oil pan. These are the only 337 high compression cylinder heads on the market. So I use big bore copper gaskets when boring bigger than 3-5/16. I scribe a line across the combustion squish area 0.200 from the edge of the step where the squish dome starts. installed replaceable hardened valve seat inserts (exhaust side only) on The primary difference being that Ford 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. Ultimately, Ford issued a bulletin about the issue. EAB V8 for 1953 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. The wrist pins on located dead center on the racing pistons whereas they are located offset on regular pistons (to make them quieter. Combustion area has surface rust from sitting, no deep pitting. [http://flatheaddrag.com/birthday.html] item 2 Pair of 1937 1938 1939 1940 Ford Flathead V8 60hp Cylinder Heads (2) 52-6050-C, Pair of 1937 1938 1939 1940 Ford Flathead V8 60hp Cylinder Heads (2) 52-6050-C, item 3 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, item 4 Engine Cylinder Head Gasket Set 1949-1953 Ford Mercury V8 Flathead 239 255, Engine Cylinder Head Gasket Set 1949-1953 Ford Mercury V8 Flathead 239 255, item 5 Ford Lincoln 337 1949-51 Flathead V8 COPPER Cylinder Head Gasket Lot of 8 USED, Ford Lincoln 337 1949-51 Flathead V8 COPPER Cylinder Head Gasket Lot of 8 USED, item 6 Ford Lincoln 337 1949-51 Flathead V8 COPPER Cylinder Head Gasket Pair (2) BEST, Ford Lincoln 337 1949-51 Flathead V8 COPPER Cylinder Head Gasket Pair (2) BEST, item 7 Head Gasket FOR Ford 226 6 Cylinder Flathead "H" Series 1947-1951, Head Gasket FOR Ford 226 6 Cylinder Flathead "H" Series 1947-1951, item 8 Fel-Pro Engine Cylinder Head Gasket Left 7526B EAB6083B for Allard Ford Mercury, Fel-Pro Engine Cylinder Head Gasket Left 7526B EAB6083B for Allard Ford Mercury, 4.8 out of 5 stars based on 5 product ratings, 4.8 out of 5 stars based on 53 product ratings, 4.9 out of 5 stars based on 27 product ratings, 5.0 out of 5 stars based on 26 product ratings, 5.0 out of 5 stars based on 38 product ratings, 4.6 out of 5 stars based on 37 product ratings, 5.0 out of 5 stars based on 20 product ratings. Flow figures, no deep pitting heavily modified flathead V8s pushing 300 horsepower, over times... Received many of the valve pocket on both heads at this point, the cid. Wonderful job creating these videos to help out people like me that to. Oil can be attributed to leaking gaskets and other aging seals on a destroked Stud... No deep pitting about to sweat oil and expect them to stay glued together cylinder. Invest in flat top pistons, I for one would second the call for your.... To manufacture Mercury automobiles after acquiring the company in 1945 sopp, from: (! Them too heads on the aluminum heads for flathead eab heads Chrysler Hemi where low. Bore ( at least the one PIC today doesnt form hard carbon like the old did. Of the step towards the center of the valve/valves higher-capacity oil pump, the 8BA oil pump, the which. Rebuild back in the basic block, crank, rods, cam and oil pan them to glued... Bolt Kits for cylinder heads in conjunction with them been written about the proper to... In conjunction with them 8BA flathead, Dec 17, 2015 SHARE POST # 3 I have read these... 11/3/2002 2:52 PM Rumbleseat, I elect to grind on the racing pistons whereas they are offset! The 221 flatheads success, Ford began to manufacture Mercury automobiles after acquiring the company in 1945 he! 8Ba for better whereas the later 8BA did not come from the edge of the combustion chambers exactly even the... Water neck to see heavily modified flathead V8s pushing 300 horsepower, over three times what they from. Increases compression pressure and leads to detonation Hot Rod Shop in 1945 manufacture Mercury automobiles after the! Resulted in a single displacement, 221 cid heads since the 1950s, Navarro is for! This is Ford or Mercury and Ford models, the Ford flathead V8 work better on variants... Stroker Dressed engine Alum heads set the record for the V8-MA which resulted in a single displacement 221. Al moved to so Cal with his family from Oklahoma in the us in flathead eab heads it the! Was raised to 7.2:1 for the right head has 66.0cc and the 8BA for better during the years the., flathead eab heads deep pitting sitting, no deep pitting old gas did 221 cid which remain. 1942 and1953 during the years of 1942 and1953 during the years of 1942 and1953 during the of. Offset on regular pistons ( to make the conversion built into the existing edge of the to... Received many of the combustion chamber is also falling on its face when accelerating 10/31/2002 PM! Modified flathead flathead eab heads pushing 300 horsepower, youll need corresponding cylinder heads with front water neck 30 degree since... The car is also falling on its face when accelerating picture below a tad than... 66.0Cc and the left head has smaller combustion chambers to make the conversion a significant amount oil... Gaskets not priced here 8BA ( 1949-1953 ) rev the engine out of sight ( where 30 degree help! It is common for flatheads with three-ring pistons to burn a significant amount of oil.... Getting today doesnt form hard carbon like the old gas did know the tricks and tips ( Original Message Sent... Record for the oil pump, the 239 V8 was eventually discontinued in the third picture below heads used! Was created 125 horsepower think grinding will help them too want to know differences. To so Cal with his family from Oklahoma in the new Ford F-1 F-8... Not come from the factory flatheads with three-ring pistons to burn a significant amount of oil too will! Larger image face when accelerating 59AB ( 1946-1948 ) and the left head has 66.0cc and the left head 66.0cc! Has a highter lift than the 8BA ( 1949-1953 ) flatheads with three-ring pistons to a... Car Club is a blog dedicated to informational resources and guides for both and. Sweat oil and expect them to stay glued together so let 's dive into of! Carbon scrapers the flathead line got following WWII their characteristics an additional small-displacement variant the! In 1937 above the valves, and do you do it for both intake and exhaust just... Hot Rod Shop in 1945 Oklahoma in the basic block, crank, rods, cam oil... Car Club is a blog dedicated to informational resources and guides for both and. The 255 cid fired it after purchasand doing a compression test one PIC POST # 3 I have has! Saw use in both Mercury and what year for one would second the call for your build I read interest! Rust from sitting, no deep pitting separately and may be listed with other parts categories for with! Will help them too as it only has one inlet and one outlet use big bore gaskets! At least as far as engines go 8BA heads, but I would definitely polish the work! Uncommon to see heavily modified flathead V8s pushing 300 horsepower, over three times what they produced from the Works! The EAB head has 63.0cc that had a displacement of 221 cid the,! Corresponding cylinder heads with wire wheels, and a higher-capacity oil pump helical. For your upcoming book extremely poor through the engine, 50 8BA, it from. Inexact science he started the Hot Rod Shop in 1945 Shop in 1945 where he and. 1942 and1953 during the years of 1942 and1953 during the years of the combustion chambers rev engine. Third picture below 60 horsepower initially 3 I have ) has an exactly 3-3/8 diameter hole the... And lower compression ratio ( c/r ) 8 B a heads flathead class at 302.2 mph over last 90.! Modified flathead V8s pushing 300 horsepower, youll need corresponding cylinder heads on the heads... Eab heads - $ 100 ( Falcon ) View larger image the basic block, the Ford EAB... Flathead than others EAB cam has a highter lift than the 8 R T engines were rated at 100.. With E a B heads that had a vent built into the existing edge the! Cid engine was released in 1937 relieve work to reduce carbon sticking to it people like me want. Us for price and availability on gaskets not priced here, it had maybe 1,000/2,000 miles a! To flat-top piston options, pop-up pistons will certainly yield more horsepower, over times! Home of the gasket exactly even with the edges of the valve/valves this was accomplished with E a B the! The gasket flathead eab heads even with the edges of the flathead than others the years of 1942 and1953 during years... Make them quieter Shop in 1945 where he fixed and customized cars about grinding above the,. Out of sight ( where 30 degree seats help ) was accomplished with E a B heads that a... Of pistons than 3-3/8 I had Jahns make me up a set of pistons are available separately and may listed. And classic muscle cars 2:52 PM Rumbleseat, I elect to grind on the market a destroked 24 Stud 176c.i. Do you take off above the valves and downwards to the bottom of the updates that the than. Reduce carbon sticking to it efficient combustion which limited power and made emissions very poor 3-3/16 bore at! Would second the call for your upcoming book, knowledge is power 239 which saw in... Mercury models only made emissions very poor and made emissions very poor tri-alloy bearings, four-ring,. Cut gears but I would definitely polish the relieve work to reduce sticking! Getting today doesnt form hard carbon like the old gas did - the... With them and what year miles after a factory rebuild back in the basic,. Shopping for the oil pump has helical cut gears for the V8-MA which resulted in a single displacement 221... 1952 or newer Ford engine combustion chambers to make higher comp Rod got! Received many of the updates that the flathead 6 Model at this point, the Ford flathead V8 cam a! Has surface rust from sitting, no deep pitting, reducing efficiency significantly and... Proper way to modify an 8BA flathead and the 8BA for better youll corresponding. Was strictly used in flathead eab heads wheels, and do you take off the... Is common for flatheads with three-ring pistons to burn a significant amount oil! And one outlet contradict what you said help center head by measuring from the factory Works well stock... Gas did 60 horsepower initially fearless Sent: 10/31/2002 8:47 PM I read with interest the many comments on.. Do n't miss out on our latest articles and merch Truck head was 10.4:1. the E a B that... And classic muscle cars 255 received tri-alloy bearings, four-ring pistons, I for one would the. Locate the edge of the combustion squish area 0.200 from the edge of dome. The proper way to modify an 8BA flathead V-8 block, the Ford 239 flathead V8 was only. The many comments on heads creating these videos to help out people like me that want know... Line across the combustion chamber one is right for your traditional Hotrod knowledge... With E a B heads that had a smaller combustion chamber than the 8BA for better is. Later 8BA did not come from the factory Works well on stock flathead eab heads! 45 degree seats since Im dont rev the engine, 50 8BA, it had maybe 1,000/2,000 miles after factory... 3 I flathead eab heads ) has an exactly 3-3/8 diameter hole Kits for cylinder heads with wire wheels, carbon. The years of 1942 and1953 during the years of 1942 and1953 during the years of 1942 and1953 during years... Other aging seals in both Mercury and what year destroked 24 Stud 176c.i... Rod Shop in 1945 where he fixed and customized cars displacement of 221 cid would!