Classic Engine Tech 1967 - 1981 Engine Related

Question about Rat motors

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Old Dec 6, 2002 | 01:36 PM
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Question about Rat motors

Hopefully a simple one, but I couldn't find an answer on Google.

What is the bore spacing of the big-block Chevy engine?
Old Dec 6, 2002 | 05:49 PM
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Cool

4.84"
Old Dec 7, 2002 | 08:38 PM
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Thanks, 1997ss.

Maybe you can shed even more light on the subject. How "big" is a big block? In terms of the block's height, width, and length, how does it compare to a normal SBC? Is there any rule of thumb that makes a block "big"?
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