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Rattle; driving me nuts!

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Old Feb 1, 2012 | 10:11 AM
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Default Rattle; driving me nuts!

Immediately after a professional Dyno Tune was done to my 2000 vert, 6 speed, 14,000 miles on the odometer at the time, I have had a rattle (tinny sound) starting in first gear and lessens as I go thru the gears. (rattlel was not there before the tune).

If I accelerate very slowly it's not as noticeable but since I have had a few additional mods done I like to "step on it" from time to time.



It's not coming form the transmission shift box since I replace that.

Any suggestion would be appreciated; thank you!

Last edited by bontrager; Feb 1, 2012 at 10:14 AM.
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Old Feb 1, 2012 | 10:15 AM
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Take it back to the tuner and let them find it...........
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Old Feb 1, 2012 | 01:59 PM
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^ That would be my suggestion - at least as a good starting point.
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Old Feb 1, 2012 | 03:07 PM
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It sounds like they blew out a cat. converter.
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Old Feb 1, 2012 | 08:33 PM
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Thank you for all of the suggestions. I may do one other engine mod (ported throttle body) and take it back to the tuner.

Have to ask; can a cat converter be blown out? Whats happening there. Will the tune be able to detect which one is blown out if
that's the case????

thank you!

Last edited by bontrager; Feb 1, 2012 at 08:36 PM.
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Old Feb 1, 2012 | 11:53 PM
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Originally Posted by guido7834
Take it back to the tuner and let them find it...........
Your best choice.
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Old Feb 2, 2012 | 12:45 PM
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I wasn't implying the tuner blew it out. Sometimes they just go bad and are found on the dyno.
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