LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Explain half filled block

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Old 04-04-2013, 09:57 PM
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How are you going to make a stock bore 370 or 390?

3.75" crank on a stock bore makes a 376".
3.85" makes 387".
Old 04-04-2013, 10:27 PM
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Originally Posted by F0x Slaughter
How are you going to make a stock bore 370 or 390?

3.75" crank on a stock bore makes a 376".
3.85" makes 387".
I was doing the math off the top of my head. lol But yeah thicker walls are important when it comes to high cylinder pressure. I was thinking that a 3.85 crank with a .020 was a 390"



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