Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

350 to 305

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Old 04-20-2012, 12:59 AM
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350 to 305

hello i am new to this forum so forgive me if i make a mistake or two. I own a repair shop here in new york. I have a customer who blew up his 83 corvette w/ 350 cross fire. He wants to swap everthing to a low milage 305 he has from a 86 motecarlo. He is doing this to keep cost down as he allready has the 305 in ques.I know everthing will bolt up to the 305 but will the stock cam work w/ the cross fire system. i know i need 305 injectors but what else. thanks for any help.
Old 04-21-2012, 05:34 PM
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Car: '82 z28
Engine: L83 5.7
Transmission: 700r4-1985
Axle/Gears: 3.42 posi
Re: 350 to 305

should work fine-may need to use f-body 305 chip in the
ECM: '84 vette(there was no offical '83 vettes sold,but
"84"vettes went on sale in march 1983)used the same
ECM as '83 C/F f-bods. '82 ECMS use a different chip
but again same ECM between vette and f-bods for '82
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