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− | '''How to identify a Ford V8'''
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− | ==Flathead V8 (221/239/255/337)==
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− | 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.)
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− | ==1932-1937==
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− | 21 studs to hold on the heads.
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− | two water pumps located at the pront of each head.
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− | Poured main bearings unless marked LB on the block
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− | (there are some exceptions to the LB marking)
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− | front mounted distributor driven directly off the camshaft
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− | 221 cubic inche displacment
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− | bell housing is cast in as part of the block
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− | Bore and stroke are 3.0625 x 3.750
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− | ==1938-1942==
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− | 24 studs hold on the heads
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− | two water pumps relocated to the front of the block
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− | waternecks on the heads located in the center
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− | distributor is front mounted and still driven off the cam
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− | marked 81A, 81T, 41T, 99T, or 21A on heads
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− | floating bearings
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− | bell housing is cast in as part of the block
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− | ford engines had 221 cubic inch displacment
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− | Mercury engines had 329 cubic inch displacment
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− | Ford engines retain the same bore and stroke
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− | Mercury engines receive a 3.1875 x 3.750
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− | ==1946-1948==
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− | 24 studs hold on the heads
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− | water pumps and neck retain the same location as above
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− | Distributor is the same as above
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− | heads are marked 59A, or 59AB
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− | both Ford and Mercury engines have a 239 cubic inch displacment
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− | bell housing is cast in as part of the block
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− | Ford and Mercury engines share bore and stroke 3.1875 x 3.750
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− | ==1949-1943==
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− | major changes are made to the flathead
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− | water passages are enlargen for improved cooling
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− | water necks are moved tot eh front of the heads
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− | waterpumps remain in the same location
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− | heads are held on with 24 bolts rather than studs
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− | new conventional style distributer is used
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− | distributor is now driven by a gear off the cam
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− | the cast in bell housing is removed
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− | modern insert bearings are used
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− | ford engines marked 8BA, EAB or 8RT on the heads
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− | Mercury engines are marked 8CM,or EAC, on the heads
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− | Ford engines remain 239 cubic inch displacment
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− | Mercury engines are increased to 255 cubic inch displacment
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− | ford retains the 3.1875 x 3.750 bore and stroke
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− | Mercury receives a 3.1875 x 4.000 for bore and stroke
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− | ==1937-1940 V8 60 flathead==
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− | 17 studs hold on the heads
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− | much smaller than the normal flathead V8
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− | has full floating bearings
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− | 2.60 x 3.20 bore and stroke
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− | 136 total cubic inch displacment
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− | 1937 had tin sided blocks, while 1938-1940 had cast sides
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− | distributor was the same as the 1938-1942 flatheads
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− | ==1948-1951 125-150 hp flathead==
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− | 27 bolts hold down the heads
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− | rear mounted conventional style distributor
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− | Lincolns came only with hydraulic lifters
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− | Big Ford trucks came in both solid and hydraulic lifters
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− | 337 Cubic inchs of total displacment
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− | 3.50 x 4.375 bore and stroke
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− | marked as 8EL for Lincolns
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− | marked as 8EQ for the ford trucks
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− | == 335 Series Engine Family (Cleveland) (351C/351M/400) ==
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− | 8 cap screws retain rocker cover.
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− | Timing chain housing is part of block casting.
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− | Thermostat housing on block.
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− | Fuel pump mounting bolts are vertical.
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− | Exhaust bolt holes diagonal.
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− | 351M/400: Intake is 12.7" wide the 351C is narrower (Differing Deck Heights).
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− | It is difficult to differentiate 351M from a 400 externally. The most accurate way is to remove the oil pan and look at the crank.
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− | 400 Crankshaft ID. http://www.tmeyerinc.com/400crankshaftid.html
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− | == Windsor Family (221/260/289/302/255/351W)(not all made in Windsor) ==
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− | 6 cap screws retain rocker covers.
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− | Thermostat housing on intake manifold.
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− | Exhaust bolt holes horizontal.
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− | 302 BOSS Engines (69/70) have Cleveland (335 Series) style (canted valves) heads and the block can be identified by screw-in freeze plugs.
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− | Timing cover/water pump, put your thumb on the timing cover above the water passage, is it
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− | touching the head? It is a 302, Is it touching the block? it is a 351...
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− | == 385 Series (Lima) -- (429/429BOSS/460/370 Truck) ==
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− | 7 Retaining cap screws in rocker cover
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− | == FE Series (332/352/EDSEL361/360/390/410/427/427SOHC/428) ==
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− | FE (FORD-EDSEL) Engine Family:
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− | Intake manifold runners partially covered by rocker covers.
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− | Distributor goes through the intake manifold, the only Ford
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− | engine that has this feature...
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− | == FORD Y-Block (239/256/272/292/312) ==
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− | Rear mount distributor
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− | 2 Studs (and retaining nuts) retain rocker cover
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− | Intake runners are over and under- Center exhaust ports are close together (similar to a SBC)
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− | Exhaust manifold bolts are in a common plane (line) across the cylinder head exhaust surface, if they are staggered it is a Lincoln Y-Block (317/341/368 Pass. Car) (279/317/302/332 Heavy Truck)
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