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01-24-2004 12:27 PM #1
CHR Member
- Join Date
- Jan 2004
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- 30min SouthSouthEast of Sarnia
- Car Year, Make, Model: 86 GMC Sierra Classic
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- 78
Are all IV Big Blocks the same....
Are all IV Big Blocks the same block?
can a 396,402,427 be bored and stroked to a 454?
or is the 396 and 402 limited to a 0.100" overbore like the 427 and 454?had a rebuilt 355SB chevy
it lasted 42,000km
Got another rebuilt 355SB
it lasted 62km.
I still have not had a powerful engine.
slowly building a quicker truck
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01-24-2004 04:37 PM #2
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- Car Year, Make, Model: '51 Chevy Fleetline and a Ratrod project
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I dont think you can change them that much. I do know that you can change a 396 into a 402 just by boring it out a little.You don't know what you've got til it's gone
Matt's 1951 Chevy Fleetline- Driver
1967 Ford Falcon- Sold
1930's styled hand built ratrod project
1974 Volkswagen Super Beetle Wolfsburg Edition- sold
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01-24-2004 05:22 PM #3
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- Car Year, Make, Model: 23 T, 53 FLH , 66 C-10 454, 03 CVPI
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All but the 402 can safely go 0.70 over, the 402 is a 0.30 over 396, personally I would'nt go 0.100 unless it was to resleeveLast edited by viking; 01-24-2004 at 05:25 PM.
Objects in the mirror are losing
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Could it be a 10114182? If so, it is a Gen V 454, 4 bolt 1991 (or later). Hope that helps..
GM Engine de-coding