Quote:
Originally Posted by maytag
Right, but that's assuming cam timing changed, which could've happened forward or backward, yeah? (Or is there another way to bend those valves that I'm not considering? )
But I'm still pushing healthy compression numbers in all cylinders.
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Rotating the engine in reverse, even by hand, is sufficient to whack the valves; we have had people bring us cars that they had done exactly that while attempting an IMS retrofit, and even though the cams were still in time, they had kinked a couple of valves and every piston had bark marks from contact.