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Message: <blockquote data-quote="RichV" data-source="post: 1217529" data-attributes="member: 17007">I just did my HGs and a cam swap. When the crank is on point at 0* (by the pointer), the crank/harmonic keyway is pointing straight up. Those 2 reference points should tell you if the harmonic has slipped. Remove the crank bolt, look directly in the middle and mark the direction of the keyway on the pulley or where you can see it. Then, put it back in, and turn the crank to 0* at the pointer. Your keyway mark should be pointing straight up towards the water pump.If you remove the passenger valvecover, you should be able to see if the #1 valves are closed when the crank is on mark. If you move the crank clockwise the exhaust valve should start opening after some rotation (not right away), it will be the one above your exhaust port.</blockquote>