possible 383

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07-11-2006, 01:13 PM

TheCarKid

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possible 383

I might be looking at a shortblock that the guy claims is a gen 3 383. What are some ways to tell if it's a gen 3 shortblock. LS1 based heads won't fit on anything earlier, will they?

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07-11-2006, 01:28 PM

jrp

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Quote:

Originally Posted by TheCarKid

I might be looking at a shortblock that the guy claims is a gen 3 383. What are some ways to tell if it's a gen 3 shortblock. LS1 based heads won't fit on anything earlier, will they?

all GenIII's will look the same externally. you are correct, GenIII stuff is not compatible with genI/II. however unless you can check the crank theres no way to tell if its a 4" or 3.622 stock stroke.

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07-11-2006, 01:32 PM

TheCarKid

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But what are the differences between a gen III and a genI/II block?

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07-11-2006, 01:34 PM

jrp

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just about everything, lol. the GenIII is a clean slate build, the only thing it carries over is the 4.400 bore spacing. basically if the motor looks like the one in your TA its a genIII.

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