Quote:
Originally Posted by Hooter
Looking at it next week. Keeping my fingers crossed on the RA4 heads. He’s a money guy from years back. Anything’s possible.
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I have a '69 428 block in my race car that is .130' over. It's hard blocked have way up the water pump holes though. When I sonic checked it before boring it averaged .290 to .310 un the thrust side.