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Engine Mechanical TopicsDiscussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.
Cutting away too much material (velocity vs volume,) I'd bet.
I was always under the impression that you want to make straight shot into the cylinder, so shaping rather than enlarging would be my guess to do it properly.
I was always under the impression that you want to make straight shot into the cylinder, so shaping rather than enlarging would be my guess to do it properly.
Yeah, and rough surfaces on the intake vs smooth bore on the exhaust. I've seen it done but never tried to ruin a set personally.