80mph = lean

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Dec 7, 2008 | 02:58 AM

#11

454SuperSport

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From: Millen, GA

only thing i could think of was maybe some of the PE enablers like the required torque % or either the ETC injector disable or power-hop injector disable??

Dec 7, 2008 | 05:34 PM

#12

03sierraslt

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From: Western PA

It doesnt have anything to do with the Quadrasteer.

Dec 8, 2008 | 08:47 AM

#13

OnyxSilveradoSS

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From: Detroit

COT-catlyst over temp function in the PCM??? I notice it at about that speed, it has to do with adding fuel to cool the cats...just guessing

good luck

Dec 9, 2008 | 01:34 PM

#14

wait4me

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From: warsaw, in

PM me slowhawk or call.

Last edited by trever1t; Dec 9, 2008 at 02:15 PM.

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