How to identify a Ford V8
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'''How to identify a Ford V8''' | '''How to identify a Ford V8''' | ||
| + | ==Flathead V8 (221/239) == | ||
| + | note- All ford flathead V8's have the valves in the block, not in the head as in most modern engines (such as OHV, Ohc, Dohc, etc.) | ||
| + | ==1932-1937== | ||
| + | 21 studs to hold on the heads. | ||
| + | two water pumps located at the pront of each head. | ||
| + | Poured main bearings unless marked LB on the block | ||
| + | (there are some exceptions to the LB marking) | ||
| + | front mounted distributor driven directly off the camshaft | ||
| + | 221 cubic inche displacment | ||
| + | bell housing is cast in as part of the block | ||
| + | Bore and stroke are 3.0625 x 3.750 | ||
| + | |||
| + | ==1938-1942== | ||
| + | 24 studs hold on the heads | ||
| + | two water pumps relocated to the front of the block | ||
| + | waternecks on the heads located in the center | ||
| + | distributor is front mounted and still driven off the cam | ||
| + | marked 81A, 81T, 41T, 99T, or 21A on heads | ||
| + | floating bearings | ||
| + | bell housing is cast in as part of the block | ||
| + | ford engines had 221 cubic inch displacment | ||
| + | Mercury engines had 329 cubic inch displacment | ||
| + | Ford engines retain the same bore and stroke | ||
| + | Mercury engines receive a 3.1875 x 3.750 | ||
| + | ==1946-1948== | ||
| + | 24 studs hold on the heads | ||
| + | water pumps and neck retain the same location as above | ||
| + | Distributor is the same as above | ||
| + | heads are marked 59A, or 59AB | ||
| + | both Ford and Mercury engines have a 239 cubic inch displacment | ||
| + | bell housing is cast in as part of the block | ||
| + | Ford and Mercury engines share bore and stroke 3.1875 x 3.750 | ||
| + | |||
| + | ==1949-1943== | ||
| + | major changes are made to the flathead | ||
| + | water passages are enlargen for improved cooling | ||
| + | water necks are moved tot eh front of the heads | ||
| + | waterpumps remain in the same location | ||
| + | heads are held on with 24 bolts rather than studs | ||
| + | new conventional style distributer is used | ||
| + | distributor is now driven by a gear off the cam | ||
| + | the cast in bell housing is removed | ||
| + | modern insert bearings are used | ||
| + | ford engines marked 8BA, EAB or 8RT on the heads | ||
| + | Mercury engines are marked 8CM,or EAC, on the heads | ||
| + | Ford engines remain 239 cubic inch displacment | ||
| + | Mercury engines are increased to 255 cubic inch displacment | ||
| + | ford retains the 3.1875 x 3.750 bore and stroke | ||
| + | Mercury receives a 3.1875 x 4.000 for bore and stroke | ||
| + | |||
| + | ==1937-1940 V8 60 flathead== | ||
| + | 17 studs hold on the heads | ||
| + | much smaller than the normal flathead V8 | ||
| + | has full floating bearings | ||
| + | 2.60 x 3.20 bore and stroke | ||
| + | 136 total cubic inch displacment | ||
| + | 1937 had tin sided blocks, while 1938-1940 had cast sides | ||
| + | distributor was the same as the 1938-1942 flatheads | ||
| + | |||
| + | ==1948-1951 125-150 hp flathead== | ||
| + | 27 bolts hold down the heads | ||
| + | rear mounted conventional style distributor | ||
| + | Lincolns came only with hydraulic lifters | ||
| + | Big Ford trucks came in both solid and hydraulic lifters | ||
| + | 337 Cubic inchs of total displacment | ||
| + | 3.50 x 4.375 bore and stroke | ||
| + | marked as 8EL for Lincolns | ||
| + | marked as 8EQ for the ford trucks | ||
| + | |||
== 335 Series Engine Family (Cleveland) (351C/351M/400) == | == 335 Series Engine Family (Cleveland) (351C/351M/400) == | ||
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