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188 Posts
i have used a 3.875 crank in a 350 block it was tight i wouldnt want to try a 4" stroke.dont use eagle type h beams they really hinder you when you need cleareance.oliver rods really help you when you need clearance the bolts seam to be tucked up in the cap nice.not to mention with a 4" stroke a pin height that makes no room for a ring package especiallly if you want to spay it.