Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#3
02-05-2018, 07:49 PM
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If the car has a TH400 then there should be JM as the last two digits on the engine pad.
If the car has a 4 speed then there should be KE as the last two digits on the engine pad. Example below is a Corvette 427/390 HP with manual trans (IL)  EDIT: It is not that difficult to restamp an engine BTW once it has been decked. So even if you see a JM or KE, without bulletproof documentation there is no way to prove your car has/had an L89 in it. Last edited by Lee Stewart; 02-05-2018 at 08:32 PM. 
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