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Old 09-28-2008, 07:44 PM
medihummer medihummer is offline
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Default Re: Transmission Upgrade Almost Complete...

Hi

We are from Europe, Belgium.
We also did a 4L85 upgrade on a 2006 SUV Supercharged and complete Borla exhaust. Headers + Cath Back
We used compushift. It works great. There is only one minor point. The transmission always shifts at 5500 RPM. I can not get it to 6000 rpm. Somebody experience with compushift? Somebody knows how to solve the problem?
Does the gear reduction to 5.1 ad a lot of drive-ability? what did you pay for it?
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