Only at the track.....

[coolguywalt]

Well, my first time to the track in TTA and I knew in my heart that something would happen...it did. While trying to build boost at the line (unsuccessfull, engine would go to 2200 rpm before tires would squeal) and after a pretty decent takeoff, about a second or two later, the car seems to fall flat on its face, bogging, for like 3 seconds or so, then takes off like nothing is wrong at all!!! TPS was dead steady at .425mV at idle, no codes or anything!! After 2 more passes with the same result I decided to see if I might be getting Knock retard from a false source, an engine mount. So I brake torque the thing and sure enough, the driver's side of the engine started to lift like 3". Could this be the culprit for my symptoms? The car also had a little bit of vibration on the ride home from the track. The car is bone stock with 69,000 miles! Please help me.

 

[URSPANKED]

Sounds like a bad motor mount, and that could definitely be setting off the knock sensor.

 

[RobR]

Also check for a bad ground. That can do some crazy things.

 

[coolguywalt]

Well, checked the chip, turns out it is an ATR one for the TTA. I decided to check the motor mounts, but they looked fine, no tears or anything! Just smooth all the way around. So I decided to get a gallon of Xylene and put it in a half-full tank. I tried launching it like I did at the track, got it to 2000 rpms and no boost and it took off great! Now I am wondering why does it not spool fast? I can't get it to spool fast at all, it takes a while to build the boost while driving. Any suggestions?