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) == | ||