Hi Guys,
I bought a 2007 C6 Z51 A6 from a friend. Car has the following mods - Halltech CAI, FAST Manifold,AFR 205 heads milled to 11.5:1, Ligenfelter GT-11 Cam,ARH 1 7/8? headers, 315 Gears and an 08 Valve body in the tranny.
The car runs/rides/pulls great at part throttle. At WOT from a dig, it bangs on the rev limiter and wont shift to 2nd. If I am rolling and launch, it wont shift 2>3, also bangs off the limiter. I've tried lowering RPM and Speed for the 1-2 and 2-3 shift, etc... I tried re-entering tires size, gear ratio, rescaling the shift points, and just about anything I could think of, and things haven't changed. I flashed back to the original tune since none of my changes had fixed anything. Here is one piece of info that might be of help... when the original owner had the car, he had CCW Wheels and Z06 size tires on the rear, and the car did not have this issue when I drove it with that configuration. I have removed them and put on OEM wheels and tire sizes, and that is when the trouble started, so I thought the scaling was off, but I must be missing something.
Does anyone have any ideas?
Thanks in advance
Craig
2007 JJL - Initial Tune.hpt