04-10-2019, 04:01 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Quote:
Originally Posted by Gaz64
Ah yes, after looking at dyno videos.
More investigation as to the cause of the power falling off, either valve float or ignition system etc.
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I would say valve float.
If it were just an issue with not enough camshaft, then the power would just fall off in a curve.
In the last 500 rpm of the dyno sheet, we see the power go up, back down, up, back down, etc. That's a tell-tale sign of valve float. I would say that the engine needs a little more valve spring seat pressure. |
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