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383 Stroker

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Old Feb 20, 2002 | 02:11 PM
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84-Z28's Avatar
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From: Granville, OH, USA
383 Stroker

I was wondering what was the correct bore oversize for the true 383 stroker? Ive had people tell me .60 is the true overbore size but everywhere I go, people tell me .30 and .40 and so on. If someone could help me out that would be great.


Joe 84-Z28
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Old Feb 20, 2002 | 02:25 PM
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1991tealRSt-topGuy's Avatar
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Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
well .030 over on a 350 creates a 355

so without going over it'll be a 377

with that ratio then said going .030 on a 377 will make it a 383


just remember: its a 350 block (bored out to 355)
and a 400 crank
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Old Feb 21, 2002 | 01:34 AM
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Tom91Bird's Avatar
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From: Naples, FL
Car: 1991 Firebird
Engine: 383 stroker
Transmission: T-56
std bore=377 .030=383 .040=385 and .060=388
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