I've been running a .030 over Race Engineering short block for three seasons with an off-season rebuild each year to replace rings/bearings and hone the cylinders. Bores are still good and rings seal well but starting to get a little piston slop and think it's time to go to .040 over. Block is small journal, strapped mains, 5.7 rods, Weisco pistons with metric ring package. My question - is it safe to go .040 over on these blocks? Have had differing opinions all around. Figured some experts on here may have some good advice.
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