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scotc
02-12-2006 01:23:51
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Re: chrysler engine in reply to Jerry, MI, 02-11-2006 18:13:41
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If the distributor is at the flywheel end it's a smallblock ("LA" engine), 273, 318, 340 or 360 c.i. Unless the valve covers have 10 bolts instead of five, then it's a magnum, 5.2(318) or 5.9L(360). The magnum smallblocks take a different intake manifold due to manifold bolt angles. Magnum heads will work on la blocks as long as the magnum-specific valvegear is used but la heads won't work on magnum blocks because the magnums oil the rockers through the pushrods. I believe the 360 has a 3.58 stroke, if the stroke on your motor is shorter the 340 had a larger bore, nearly 4 inches. The 318 and 340 run the same stroke. I don't know any specs on the 273 they quit building it a long time ago.
If the ditributor is at the front of the motor you've got a big block, 383, 400, 413, 426, or 440 c.i. The deck height on the 383 and 400 are shorter than the others but the crank for the 440 will fit in the 400. I don't know any casting numbers so the only one I can really help ID would be the hemi, It's spark plugs are in tubes straight down through the valve covers. The slant 6 had 3 sizes, the largest being 225c.i. They were designed to lean toward the right side of the car for hood clearance. The intake and exhaust manifolds are both on the left side of the motor and the motor will lean pretty good if you tip it so the carb sets level. Again, the only outward difference is deck height. bores were the same just different strokes. The 225 /6 can be pretty impressive for all it is but these motors are very limited due to port and manifold configuration and lack of interest by the aftermarket.
Ray barton Race Engines, Indy Cylinder head, or Galen Govier (he's the Chrysler numbers guru) could probably help locate` casting numbers and codes to ID what you actually have. Knowing what your engine came out of would help in ID'ing it too. If it came out of a 94-01 truck it's a 3.9(v6), 5.2, 5.9, or 8.0 (488c.i.)v10. Then there's the first generation hemi, which ended production in ther early 60's. It came in 361 and 392 c.i. versions. How to tell them apart I can't say as i've only seen pictures and it's been a while, but their blocks are similar to the 383's. One more thing, the smallblock, big block, and slant 6 families each had their own bellhoousings. if you've got an old motor i'd call Galen Govier, who knows, he may know someone looking for and willing to pay top dollar to match their car back up with it's original powerplant.
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