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#3 |
or '331 LX Eric'
Join Date: Jan 1999
Location: Columbus, Ohio
Posts: 2,142
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![]() That's right. You can put a 3.25" stroke crank with stock 4.000 bore and get a 327 cu. in.
3.25 x 2^2 x Pi x 8 = 326.725636 or 327 cu. in. The nice thing about boring to say .030" over is that you get a 'brand new hole' with a nice cross-hatch that promotes good sealing of the rings. Plus, you're probably going to be putting a new set of lightweight aluminum pistons in anyways. The only real 'drawback' would be that your thinning the clyinder walls. But, .030" is more than safe on a stock 302 block. E
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1991 5.0 LX Coupe - 40,750 miles 331 cu. in. / Tremec 3550 / BFG Drag Radials 12.22 @ 114.31 mph - w/1.89 60' |
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