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1984 chevy small block maximum bore

E

EchoFive

Guest
Out of curiousity what is the maximum bore size one could hope to achieve with a 1984 'vette small block engine? and what kind of horsepower would it yield? thanks.

David Shackelford
 

Ken

Gone but not forgotten
Joined
Jan 30, 2001
Messages
8,236
Location
Hermosa Beach, CA
Corvette
1987 Z51 Silver Coupe
It's normal for a worn engine to be overbored by .030". The maximum for a 350 block is usually .060", but there are aftermarket manufacturers such as World Products have small-blocks that accept up to .120" over.
 

Rowdy1

Well-known member
Joined
Mar 26, 2001
Messages
1,180
Location
Lake Hopatcong, NJ
Corvette
1962 CORVETTE-SOLD 2004 Z16 Z06 CE
Depends

Ken's right on the money, as a matter of fact, years ago, some of the serious 1/4 mile racers would bore a 327 cu. in. engine .120" over. As for the kind of HP it would make, that depends on a number of factors. Compression, cam, heads, intake, fuel source, blower, turbo etc. The HP goes up with the price, but longevity often goes down. :)
 

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