Slamtry said: > Will rolling [the timing] back to 15 or maybe even 13 degrees help? Yes. Take it back to 13*, and have your O2 sensor checked out. Might be a good time to clean out the EGR/BPT while you're thinking about it. -- -=|JP|=- "Stew my foot and call me Susan!" '01 B15 SE/PP | http://members.cardomain.com/cowboydren/ | <//>< '95 SL2 Auto | cowboydren @ b15sentra . net |