Reply to "Mysterious Cleveland alu rocker valve train"

George PAdmin.

Mikael

I think the binding rocker arms were somehow creating a situation where the durations of the valve events were shortened; and it had the same effect as installing a shorter duration camshaft.

If you want better idle performance you need to install a different cam, one having less overlap and one in which the intake valve closes soon enough to avoid low rpm reversion.

It would be a good idea to check the straightness of the push rods too if you haven't already done so.

4/29/143:05 PM

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