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Kill the Sewing Machine

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Old Aug 22, 2007 | 03:27 PM
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Default Kill the Sewing Machine
I need help killing the sewing machine sound in my 01 Z06...Any suggestions?
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Old Aug 22, 2007 | 04:38 PM
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More information would help...

Any mods?
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Old Aug 22, 2007 | 05:01 PM
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I'll bet you have a performance exhaust without a X-Pipe.
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Old Aug 22, 2007 | 05:09 PM
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Default Mods
I have a Procharger P1 with AR Headers, stock exhaust
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Old Aug 22, 2007 | 05:12 PM
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Any head work or valve train changes? Possibly a cam?
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Old Aug 22, 2007 | 06:04 PM
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It's because of the headers - you hear more valvetrain noise because they're alot thinner than the stock manifolds. I suggest you get a louder cat-back exhaust.
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Old Aug 22, 2007 | 06:11 PM
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While I think you are correct TM-96CE I can say first hand that with my aftermarket cam, headers, heads, lifters, and shorter push rods I have very little "sewing machine" noise.

I wouldn't dismiss this issue so quickly.
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Old Aug 22, 2007 | 08:23 PM
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No other mods except a Spec 3 clutch...
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Old Aug 22, 2007 | 08:53 PM
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Read the thread ***7.450 pushrods*** he's going through the same thing.
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Old Aug 22, 2007 | 09:02 PM
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I suggest you learn to live with it.
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