a1320eclipse
20+ Year Contributor
- 176
- 1
- Mar 26, 2003
-
Spokane,
Washington
Ok, its a 90 tsi. k&n, turbo xs boost controller set at 15psi, rewired fuel pump, and about 1800 miles on rebuilt bottom end. so i got my a\f gauge put in today and under wot, it leans all the way out at about 3500 and above. and i get detonation. so to avoid detonation, i pulled timing out of the cam angle sensor, no detonation. is it common for these to lean out under boost at high rpm, or should it stay running rich the whole pull? im new to tuning turbo cars. im planning on picking up a s-afcII very soon, so can i just deal with this till then. btw, the car ran a 13.28@102 with open downpipe. its very fast and gets good gas mileage, like 28 on the freeway.