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Re: Old-school running compression test help needed
Posted to Technical Discussion Forum on 3/10/2021 1 Reply

What did the tops of the valves look like? Concentric circles? Or parallel stripes? Circles mean they rotate (properly), stripes mean they don't. There is a TSB on misfires for lack of valve rotation, and it is more intermittent if you rev it a bit and get the... Login to read more.

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