Thread: Checking your engine performance on a chassis dyno?
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Old 06-22-2011, 07:38 PM
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eschaider eschaider is offline
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Join Date: Feb 2006
Location: Gilroy, CA
Cobra Make, Engine: SPF 2291, Whipple Blown & Injected 4V ModMotor
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Just looked at your dyno sheet. Nice shape and numbers. The wiggling at the top of the pull that is bothering you is nothing significant. It could be spark blowout because it wants a little more electrical oomph at the plug in that power range. There are any number of "incidental issues" that could produce that wiggling. The really important question for you about that is, how much time do you spend driving you cobra in that RPM range? That, is what will determine how important the fix is.

On the other hand I'll bet you spend a lot of time driving your Cobra in the range that you have a 16:1 AFR. This is a problem - that need fixing!


Ed
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Last edited by eschaider; 06-22-2011 at 07:44 PM.. Reason: Spelling! Arghhhh ...
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