The valve assemblies were inserted into the block along with the C-clips. The baffl e has been cut out, and the pan is thoroughly cleaned of sludge. After 1953, flathead production continued in other countries, most notably in Europe, where the engine continued to be used in French military vehicles through the '90s. Only 200 original sets are known to exist, but fortunately, Ardun heads and associated conversion parts are back, reproduced in improved form by Don Ferguson of Ardun Enterprises. After all the machining, the intake was bolted down. An inside micrometer is used to measure spring height. The worlds quickest flathead dragster, Ron Schnells Slider, has run the quarter in 7.695 seconds; its blown flattie dynod at 939 hp on a 60-percent nitro load. Compression ratio is 9:1. We make All your Model A/B Engine Dreams come true Mike holds an exhaust header gasket in position while scribing a line into the Dykem. Dressed with up to four carbs and that unique flathead sound accentuated by glasspacks, the old codgers were suddenly the rage again. In the mid 80's (yep, 35 years go) my brother owned a '47 Ford pickup that he planned on restoring. Mostly true, but the French military used flatheads as late as the early '90s and "ancient" flathead technology has evolved to run over 300 mph at Bonneville. Andy has been intrigued by mechanical things all of his life and enjoys tinkering with cars of all makes and ages. High Performance, 0.440 in. 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. The fi nal bore is 3.3125 inches with the torque plate. I mean, how hard can it be? Back in the day, four-barrel carbs had barely been invented. Also check out Speedway Engineering's offerings. Even after the Flathead V-8 was introduced in 1932, four-bangers retained their popularity. On the following pages, we'll take a look at some of the stuff available for the flathead and also cover the lineage, interchangeability, and secrets of this proud forebear of modern hot rodding. Bolts are being dropped into the corner holes to align the gasket properly. Ships In a Few Days. We thought it would make a great highlight for our RodAuthority.com readers. It will come with the clutch throw-out shaft and fork, including a new pilot bearing. Tractor. Because this is going to be primarily a race engine, H&H used Ross forged slugs with only three rings, which makes for a lighter, faster-accelerating assembly. $ 65.00. Meanwhile, the outer two exhaust passages snake around the outer cylinders and make sharp doglegs before exiting the block. . The benefits alone are enough for some, but the French comes at a price, both monetary and aesthetic. Keep it under 8.0:1. Gemsa was a champion Sprint car driver in the '40s and '50s, built and raced cars in NASCAR, and was one of the best at pulling performance out of four-bangers with his single- and dual-overhead cam conversions. Hot rodders from every ilk soon found the Ardun heads beneficial for more than heat dissipation. To begin the porting process, Dykem was brushed onto the exhaust flange. Its never going to be a small-block Chevy, but it is a great little engine. Starting with a 1949-1953 (or 1954 in Canada) 8BA foundation, the plan involves building an authentic high-performance engine of the era, with a big, 304ci displacement (3.1875-inch bore x 4.250 . About | Contact | Terms | Privacy, FORD FLATHEAD ENGINES: HOW TO REBUILD & MODIFY. Ford flathead six cylinder engines are kind of the lost sister to the far more sought after V8s and even traditional four bangers that some of the old timey hot rod guys like to play with. Instead of the more common lock rings, spiral locks are used to retain the pin because they offer better retention. If you dont have Dykem, permanent marker works well. Notice all the intakes on the right wall and youll see how kind the aftermarket has been to this iconic engine. Intake valve is 2.050 diameter, Exhaust valve is 1.600 diameter made in stainless steel. A good supply of new French (really) blocks exist and outfits like Scat make new H-beam rods and sell cranks with up to a 4.5-inch stroke. For the overhead valve cylinder heads on A/B engine blocks. High-compression is the way to go. Ford introduced the Flathead V8 in their affordable 1932 Model 18, becoming a performance leader for decades. Complete Flywheel and V8 Ford clutch plate $725.00 Cragar Four Port Cylinder Head for Ford B Engines Developed for street use, rather than racing, due to it's mild valve spring pressures, its 9:1 compression ratio runs smoothly on regular fuel. Guys who once dreamed of owning a flattie back in the '50s but who had neither the time nor the money were now in their 50s, with lots of disposable income. With the gasket removed, you can see the lines clearly scribed into the intake. Hilborn and Ardun Enterprises offer EFI conversions that look like old-time stacks but with EFI nozzles. They take the sub-100hp flathead and have pushed it well over 300 horsepower! Ray supplied a pair of original Sharp aluminum heads from the Woody Lee T. They were in remarkably good condition, but they did need some massaging to make them race ready. Width, 41.50 in. You could, of course, buy a brand-new, fully balanced rotating assembly from Scat. Different top-halves are available for mounting a variety of induction setups. Download Instructions here. Speed shops began working the heads for more flow and performance and soon, you found them competing in every form of competition. Too high a compression ratio and the engine peaks early due to restricted top-end breathing. One of the biggest issues with the flathead was the exhaust ports weaving around the cylinder walls to exit on the opposite side of the engine. The exhaust valves do not have a reduced stem because they experience extreme temperatures. You should have already decided if you plan to run one or not. This laborious process takes time and patience. (7) Actual Engine Displacement 2.3L/140 (11) 2.0L/121 (7) 2.0L/122 (4) 2.5L/153 (2) 1.9L/116 (1) MAC's Auto Parts sells the largest selection of flathead V8 parts to rebuild, repair or replace the power plant. 2010-2016 Ford Miami Coyote V8 based Ford . Now, the intake gasket is positioned on block and the shape of the intake ports in the gasket is transferred to the block with a scriber. As mentioned, the Ardun heads are likely the most popular, and for good reason. Ross, Wiseco, Egge, Arias, and others make pistons in any configuration you desire. A few early examples displaced 1.5 liters, but the majority were 1.55-litre (1557cc) engines, dubbed a 1.6. On another stock block, you can see that the standard exhaust port measures just 138 inches. Flathead Myths courtesy of Tony Baron Honing the block of this high-performance flathead follows essentially the same procedure described previously, but in this case, the tolerances are much tighter. The heads were in usable condition; this one is cleaned and ready for machining. The first-design '32 through early '38 engines had only 21 cylinder-head studs and until mid 1936 even used poured babbit main bearings. There is also an Australian outfit, Flatattack Engineering, offering plenum-style, TPI-like systems controlled by either GM Delco or MoTeC computers. The carbs are the new Stromberg BIG97s, and each flows 250 cfm. A flathead with a 1946 block powered Ron Mains Flat fire to a new land speed record for its class at 302.674 mph. Some say that the NOS French block is the way to go, and in some ways it is. Cannot use original mechanical fuel pump. The clearance between the head and the block is only the thickness of the head gasket, therefore, pistons must not come up out of the cylinder bores more than .030,,,,,,,more than this and there could be piston to head contactThis must be fixed during engine assembly by checking and machining the piston tops down to the correct clearance. By the 1960s, Joe worked part-time for Carroll Shelby, both during the day and at night after regular working hours, building performance heads and engines for the Shelby Cobras that placed 1st, 2nd, 3rd and 4th at . This one is not quite finished; its not ground out to the line yet, but its very close. The 270-F, Tatom's best all-around cam, is said to work well on normally aspirated or blown, stick, or automatic cars, with good idle quality and 18-19 inches of vacuum. Be sure that you do not let the tool get away from you and score the manifold. Taking the 119.5 cubic inch (2.0 liter) flathead four from its new 9N tractor, which was essentially half of the 239 inch Mercury V8, Ford offered this engine in half-, three-quarter, and one-ton trucks. Its what we do. However, the main caps are beefier than traditional stock flatheads. B rear main bearing seal holder for the Terry Burtz B-6335 one piece seal, machined out of 7075 aluminum. This can be a tricky, two-man operation. Tech help for our customers and Old School Customer Service! It was amazing to watch him.". Early and late distributor styles can be interchanged by using the corresponding front engine covers and cam drive. On the street, flatheads are happy on today's crappy gas, because that's the only kind of gas there was back in the '30s. It is also produced with a 9/16 inch thick deck. Lot #63,287. The Lotus-Ford Twin Cam is a Kent-based I-4 developed by Lotus for the 1962 Lotus Elan. Cast from high quality 355-T6 aluminum alloy. However, this is a blueprinted race engine. Now it's 2005, and the flathead's resurgence shows no sign of diminishing. However, there are some significant differences in French blocks compared to the originals. Estimated Ship Date: Jun 29, 2023 if ordered today. Strombergs were the favorites, but Chandler-Grove/Holley, Zenith, and Rochester two-barrels were also in use. In 1947, long before Zora Arkus-Duntov became famous for his work developing the Corvette and performance Chevrolet parts, he and his brother Yura designed what has been considered the ultimate flathead performance mod-turning the engine into an overhead-valve hemi. Welcome to the web site of H&H Flatheads. While we are glad to have places like the Speedway Motors Museum of American Speed, where we can view a broad offering of these iconic engines, were also very thankful to the devoted group of individuals who keep these engines alive so we can not only view them but also experience them as they were intended. Federal Mogul Performance & Racing Parts, Federal-Mogul Car & Truck Crankshafts, Federal-Mogul Car and Truck Engine Bearings, Andy is an avid railfan and gets his high by flying radio-controlled model airplanes when time permits. A diamond file is used to remove any burrs generated by the gaping process. Every plug must be checked. At that moment he also began saving money to buy parts for his first hot rod. No one runs the old weak stock ignitions anymore. A four-cylinder with an overhead conversion could be built to make cubic inches and horsepower that the V-8s had a hard time matching. If youre building an out-and-out race car, Bonneville car, or something similar, the choice of block probably doesnt matter. Solve cooling problems by using a modern water pump available through Speedway Motors and other sources. In the 1950s, Ford introduced a three-tier approach to engines, with small, mid-sized, and larger engines aimed at different markets. The object of the lapping exercise is to get the middle of the valve to match the middle of the seat perfectly. Longer gears enable the M-15 to pump 25 percent more oil than the stock pump. A sophisticated gear drive system would morph into belt-driven camshafts in later versions of the Davies OHV conversions. Model B overhead valve side cover cast of premium aluminum alloy, also available for engine blocks equipped with flat head type cylinder heads. "He made everything on that-pistons, rods, cranks-everything. Some fuel-injection setups even run distributorless coil-ignition setups. 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