Ok, My previous post was being typed as B4c posted that it was after blade being wide open & snapped shut, so I didn't see it.
So...no, I don't believe ther is a vacuum leak. Reading all the comments you have made regarding how, when, & the intermittent events, I would say it is one of2 or 3 things.
1st. off throttle blade doesn't have to be wide open for engine to reach high rpms due to no load on the engine when started, in nuetral or park etc..
Do you have a stock tb or aftermarket? I have seen plenty aftermarket ones stick partially open (mostly f.a.s.t.) to cause same problem.
You cruise motor assy by battery could be acting up, could also be a combination of things. Check the slack adjustment clips on cable, I have seen these get unclipped,break, & or slip.
I would just eliminate all that garbage & put a non-cruise throttle cable in it.
p.s. If you have had the iac off of the tb, pull it back off to confirm oring is still present.
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Quote:
Originally Posted by SRGN
I never pulled into the staging beams at the track and saw a dyno in the other lane.
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South Jersey Racecraft
Last edited by S.J.SLEEPER; 03-17-2013 at 11:24 PM.
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