Quote:
Originally Posted by 1slow370
^ wtf? are you thinking lean? all running rich will do is eventually foul plugs and o2 sensors. if he were running 7-8 to one then MAYBE he would have to worry about washing the rings but 10.5 isn't going to do any real damage. All he is doing right now is wasting fuel and losing power.
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Time will tell . 7-8 to one A/F will only bog your engine with black smoke. Happened to my 98 Supra TT many times and finally kill the rings at about 20K miles. But 10.5 : 1 under full boost is likely OK, as long as you don't idle and running part throttle at this A/F ratio.