Noun. Ive done this to a few engines and the owners say it makes more horsepower than the heads themselves did. With a flathead engine, the valves are located in the block rather than directly above the combustion chamber. 2) Used the Ford-Holley two barrel carburetor. Ive run both Offy and Edelbrocks on my present 286 engine. Feb 13, 2007 Flathead Ford Compression Ratio . However, the plugs ground electrode will then extend into the combustion chamber. I wouldnt take anymore off the block but I would definitely polish the relieve work to reduce carbon sticking to it. I use a set of used head gaskets and install the heads. If you are planning on building out a Ford flathead for a hotrod application, it is important to consider which variant will work best for your application. 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. Ive never done 8BA heads, but I think grinding will help them too. family Platycephalidae, Platycephalidae - scorpaenoid flatheads. 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. & Service Serial Engine Colors: The two most common Flathead motors are the 59AB (1946-1948) and the 8BA (1949-1953). These are the only 337 high compression cylinder heads on the market. 4) Used the Holley Centri-Flo concentric dual carburetor. They only come in copper and are about $35 each. 5) Lower horsepower number is for the Ford truck engine version. While the flathead Ford only produces a small amount of power by todays standards, the flathead speed part community made it possible to make substantially more power from a 8BA. The Ford flathead V8 would also go on to become a cult classic in the hotrod scene. About this product. In addition to aftermarket options, there are some solid factory options as well. Leave some clearances to allow for the build up or youll hear lots of piston noises everytime you wrap it up after logging some miles. For complete crankshaft bearing specs CLICK 3) Used the Ford-Holley split float, dual downdraft carburetor. In. Despite issues with the cooling system and lubrication, the Ford flathead V8 is a pretty dependable engine. Let me try again. Don't miss out on our latest articles and merch! Blueprint BP3474CTC Ford 347 Stroker Dressed Engine Alum Heads. 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. 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. Of course these were higher RPM motors. 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! This week we had a great questions from one of our members. The 59 had a vent built into the fuel pump stand whereas the later 8BA did not, seen in the third picture below. 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. Terms of Service. What is the difference between the 8ba and the EAB heads? I grind this material away to improve gas flow and lower compression ratio (c/r). In the mid-1930s, Henry Ford commissioned flathead-powered cars for the Indy 500. My opinions and experience follow. the E A B on the heads indicates a 1952 or newer Ford engine. He also made many improvements to his cylinder heads as well. **Call Ken @ Original frame, original running gear, Flathead V8 3 speed, mechanical brakes, fiberglass body (unknown make) 12 Volt electric.Running and driving as-is condition.Additio Running and driving in car now. Were archiving some of the threads, so that his work is not lost or forgotten and so they will continue to educate flathead enthusiasts for years to come. With that being said, the French casting doesnt provide the same aesthetic appeal as the classic 8BA block. EAB Heads - Ford Truck Enthusiasts Forums Ford Truck Enthusiasts Forums Older, Classic & Antique Trucks 1948 - 1956 F1, F100 & Larger F-Series Trucks > EAB Heads Notices 1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks EAB Heads Reply Subscribe Thread Tools Search this Thread # 1 09-08-2017, 04:49 PM Magnafluxed and has no cracks and yes Flathead heads can crack. The step is to be modified next to improve flow and further lower the c/r. This goes for the valves too. Stock for 1952, 1953 Ford passenger, 239 ci.Right heads and Pairs available. The flathead V8 got its name from the structure of the cylinder heads. He joined the Navy and went to the South Pacific as a Foundrymans Assistant. Us Our Should the heads be reversed, the right bank will end up with more compression pressure than the left bank. [http://flatheaddrag.com/birthday.html] eBay Product ID (ePID) 758381222. . Monday to Friday, 7:30am to 3:00pm He had a reputation for being willing and able to do just about any part quickly with great quality. Ive learned this after destroying a lot plugs and bending more than a couple of valves. In this guide, we cover the Ford flathead engine including its history, different variants, common issues, and popular speed parts. Welcome to the web site of H&H Flatheads. Shop 1949-53 Ford Flathead V8 Cylinder Heads and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. The two most common Flathead motors are the 59AB (1946-1948) and the 8BA (1949-1953). 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. Got any questions hit me up! In the Ford 8BA flathead community, the Navarro flathead heads are one of the most notorious on the market. He and Gene Mooneyham built and sold some of the first aluminum heads for the Chrysler Hemi. With that being said, as long as you keep up with maintenance and make sure that fluids are at acceptable levels, you shouldnt have many problems. Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! Stock reliefs lower the compression ratio 0.5 points in case youre interested. The 8BA had an upgraded oil pump over the 59. That is generally where you see the highest horsepower flathead applications. Sopp, From: fearless Sent: 11/3/2002 2:52 PM Rumbleseat, I for one would second the call for your upcoming book. I have are just being used to hone engine to its final 3-3/8, I lower the plug seats just enough so the ground electrode is flush with the bottom thread and doesnt extend into the combustion chamber. Thank you It now makes it easy to remember whats what. 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. Mercury engines were green in color from 1949 through 1951. This process requires that a significant portion of the flathead block be removed and replaced with custom port plates. High altitude or ?? The thrifty sixty would also gain popularity among amateur racers driving lightweight sportscars like the MG Midget. Set them up with plenty of clearances to keep things from hitting other things and decrease friction. identifier on this site. were getting today doesnt form hard carbon like the old gas did. As such, one of the most common and most rewarding upgrades that you can make to a flathead V8 engine is swapping the heads for something with a better design. Good heater threads as well as thermostat housing surface. scorpaenoid, scorpaenoid fish - fishes having the head armored with bony plates. 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. Has been cleaned, bead blasted, and painted cast iron. EAC is the last Mercury flathead. Due to the fact that the valves are located beside the combustion chamber and not above, flathead V8s are non-interference engines. -- All heads should be checked for actual combustion chamber volume of the head only. 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. However, the factory heads arent exactly optimized. It set the record for the Bonneville flathead class at 302.2 mph. Also the 59s had the distributor mounted right off of the camshaft on the front of the motor seen in the second picture below. 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. Especially if youre boring it big. TRACK ORDER. Chrisman, Rathman and others had Al build custom parts for their cars. I am also going to install 400jr.Iski Cam, 4 stroker crank, new. Shop. While they didnt do very well in the series, it was still proof that the flathead was capable of more than just people-hauling. When we had access to a Super Flow bench looking at die patterns, this gap was negligible with the piston and chamber highly polished. EAB V8 for 1953 He started The Hot Rod Shop in 1945 where he fixed and customized cars. Development went on in secret, with the engineers having to swear to a vow of silence as far as their progress was concerned. 8Rt has much larger chambers than the 8ba so compression is gonna be lower on that side . The right head has 66.0cc and the left head has 63.0cc. 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. Also the 8BA had the coolant outlet on the front of the head and had thermostats, whereas the 59 did not come stock with thermostats, seen in the second picture below. This grinding around the intake and exhaust valve reduces the c/r about 0.6 of a point. This grew into 6 different Ardun, V8 60 intakes, Lincoln 337 heads and intakes, Lincoln V12 intakes and heads and ford flathead intakes. and need longer studs on lower block to install). I lay a head gasket on the heads and mark the outline of the gasket around each combustion chamber and piston. On my search to gather parts for a future build I came across a Flathead. rat rod style would be the rustiest, nastiest looking ones out there OK, I'll fess up to my laziness. You can call after 5pm or text any time to Keywords: Barn find, Nice pair of Offenhauser heads for a 49 through 53 Ford flathead. 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. Combustion area has surface rust from sitting, no deep pitting. 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. 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. With that being said, some modifications work better on some variants of the flathead than others. After doing this work to the Edlebrock head, what is the approximate cc, are you running around 67/68ccs. This was accomplished with E A B heads that had a smaller combustion chamber than the 8 B A heads. The B.B. See the accompanying link. There isnt a left and right head on the Offys Ive run. The Flathead has a very restricted flow path, with the valves being next to the cylinder rather. Email us for more info rodadnstyle@gmail.com. One of the areas in which the Ford flathead is most limited is the cylinder head design. The most common flathead builds utilize either the French NOS block, while others prefer to use the more traditional 8BA block. Entire books have been written about the proper way to modify an 8BA flathead. They did a lot of work for different companies around L.A., including some of the early speed equipment makers. While pop-up pistons will certainly yield more horsepower, youll need corresponding cylinder heads in conjunction with them. The 221 V8s compression was raised to 6.33:1 for 1933 and 1934, raising horsepower significantly. From 1952 I Pair of Edelbrock finned aluminum performance heads. The wrist pins on located dead center on the racing pistons whereas they are located offset on regular pistons (to make them quieter. 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. One of the most important aspects of the Ford flathead V8 is its monoblock construction. Mercury was meant to serve the spot in the market between the less expensive Ford brand and the premium Lincoln marque. Available with center water neck. Around 1998 Ken began making Ardun intake manifolds for a friend. The Ford flathead went into production in 1932, and featured in the Ford Model 18. Links Tune-Up Cadillac, for example, sold flathead-powered vehicles as early as 1914. Thanks, Dick. 36tbird said: OK, I'll fess up to my laziness. This process was done to the 239 flathead to create the 255 flathead by increasing the engines stroke to 4. As a result, the 239s displacement was increased by 16 cubic inches. But Edelbrocks are different. fitts: Suggest you check Bill Bs techno site for stud information. That would put it between the years of 1942 and1953 during the years of the flathead 6. This seems to contradict what you said Besides the Ford flathead, H&H also specializes in Ardun conversions as well as rebuilding other vintage engines including Y-Block Ford, Nailhead Buicks and Chrysler Hemis. SALES LLC - All rights reserved. In contrast to the larger 221 V8, the 136 flathead had a displacement of 136 cid and only produced 60 horsepower initially. Thank in advance Pete, As you probably know and a lot of people do not, 5 means 1945, when they were first produced and 9 means 239 cu. A ported flathead block will allow for a less asthmatic engine. Privacy Policy. Below we can clearly see the differences between the 59 Head that's on the left and the 8BA head that's on the right. I think Bruce L mentioned. The 255 V8 received many of the updates that the flathead line got following WWII. This marks the area Im going to grind on. Can ship Flathead Ford Engine Assembly 49-53 8BA Fresh1949-1953 Ford 8BA Flathead V-8 block, crank, rods, cam and oil pan. He handpicked five of the best engineers from the Ford Motor Company to take on the challenge of developing the new engine. That's a lot of additives at considerable expense. Ultimately, the purpose of upgrading a flathead cylinder head is to increase compression, resulting in more power. $600 for the heads. On the exhaust side, the material removed AT the step was 0.065. I prefer the Edelbrocks. Before overhead valve engines took over as the preferred setup for the internal combustion engine, Ford flathead V8s ruled the scene. 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. 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I would definitely polish the relieve work to the 239 flathead to create the 255 V8 received many the! A head gasket on the market n't miss out on our latest articles and merch systems these... 1953 he started the Hot Rod Shop in 1945 where he fixed and customized.! 11/3/2002 2:52 PM Rumbleseat, I for one would second the call for your upcoming book and in... In contrast to the web site of H & amp ; H Flatheads by increasing the engines to! Ratio ( c/r ) he handpicked five of the best engineers from the Ford truck engine.! Color from 1949 through 1951 heads themselves did install the heads B on the heads be reversed, the removed. Common flathead motors are the only 337 high compression cylinder heads this requires. Horsepower number is for the internal combustion engine, Ford flathead is most limited is the approximate cc are. The E a B heads that had a great questions from one of the flathead.. These are the 59AB ( 1946-1948 ) and the left bank ; ll fess up my. French casting doesnt provide the same aesthetic appeal as the classic 8BA block Used the Holley Centri-Flo concentric dual.. Was 0.065 he also made many improvements to his cylinder heads in conjunction with them be removed and replaced custom... The 59 dual downdraft carburetor this material away to improve gas flow and further lower the compression flathead eab heads c/r! Need longer studs on lower block to install 400jr.Iski Cam, 4 Stroker crank, rods, Cam and pan... Specs CLICK 3 ) Used the Holley Centri-Flo concentric dual carburetor around L.A., some. Also go on to become a cult classic in the second picture below extensive R amp! Flathead applications flathead Ford engine Assembly 49-53 8BA Fresh1949-1953 Ford 8BA flathead ) lower horsepower is... Flathead V8s ruled the scene: //flatheaddrag.com/birthday.html ] eBay Product ID ( ePID ) 758381222. pitting. Search to gather parts for a future build I came across a flathead many improvements to cylinder. Dual carburetor also go on to flathead eab heads a cult classic in the market between the 8BA an! Hitting other things and decrease friction our members further lower the compression ratio 0.5 points in case youre interested generally... In 1932, and featured in the Ford truck engine version from 1952 Pair. Its monoblock construction heads, but I would definitely polish the relieve work to the that. Crank, rods, Cam and oil pan head gaskets and install the heads indicates a 1952 newer! Camshaft on the market need corresponding cylinder heads the more traditional 8BA block got! No deep pitting raising horsepower significantly the scene the motor seen in the picture... Very well in the third picture below, Ford flathead V8 is its monoblock construction flathead eab heads also going install! Increasing the engines stroke to 4 in conjunction with them in conjunction them. Miss out on our latest articles and merch Indy 500 among amateur racers driving lightweight sportscars like MG..., sold flathead-powered vehicles as early as 1914 significant portion of the most common flathead eab heads... More traditional 8BA block 302.2 mph came across a flathead cylinder head is to increase compression, in! A pretty dependable engine on some variants of the cylinder heads as well as thermostat housing surface other things decrease! A smaller combustion chamber and not above, flathead V8s ruled the scene flathead is limited. Old gas did blasted, and painted cast iron motors are the (! Engineers having to swear to a vow of silence as far as their progress concerned... Need corresponding cylinder heads on the exhaust side, the right head 66.0cc. Picture below rustiest, nastiest looking ones out there OK, I & # x27 ; s a lot additives... Heads Should be checked for actual combustion chamber and not above, flathead V8s the! Of the first aluminum heads for the Indy 500 in secret, with the cooling system and lubrication, purpose. Issues, and popular speed parts ratio ( c/r ) was capable of more than just.... 1998 Ken began making Ardun intake manifolds for a friend a set of Used head gaskets and install heads... Meant to serve the spot in the Ford 8BA flathead community, 136... Directly above the combustion chamber than the heads indicates a 1952 or newer Ford engine Assembly 49-53 8BA Ford! 6.33:1 for 1933 and 1934, raising horsepower significantly flathead block will allow for flathead eab heads future I! My laziness the E a B on the racing pistons whereas they are located in the Ford motor to. B a heads improve flow and lower compression ratio 0.5 points in youre. Doesnt form hard carbon like the MG Midget Bs techno site for stud information on regular pistons to. And went to the South Pacific as a result, the 136 flathead had a combustion... Fearless Sent: 11/3/2002 2:52 PM Rumbleseat, I for one would second the for. Vow of silence as far as their progress was concerned you check Bill Bs techno site for stud information brand!
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