Quote:
Originally Posted by undy
The later pickup installed 360s, had thinner cylinder walls than the earlier 390s. I wouldn't even waste my time on a sonic check. I'd do a 0.030" overbore, a stroker crank and call it a day.
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Where is the waste of time? He's already at .040. Being able to use what you already have isn't a waste of time IMHO. A sonic check is a lot cheaper than a new block or a stroker kit.