Well, I ripped the heads off and replaced the entire valve train with all new parts. Rebuilt/surfaced heads, new springs, lifters and everything. It doesn't pull the dollar bill backwards anymore but still runs rich. Still same gas mileage.
I replaced MAF(runs 5% better) with junkyard one 2 days ago. Seems not as rich now. New CAI also, EBAY $40!!! My exhaust is "tinging" now from where its getting hotter(leaner) and the smell doesn't run you out of the garage as quick. Also warms up faster.
I think the MAF was makin it run rich tho. I thought it was a bent/burnt valve or spring or something as well, with it suckin a dollar backwards it would have had to been, but it --is-- possible for this to happen and it run ok, im pretty sure, idk. I bet a lot of cars a dollar bill will pull backwards and be fine. I wanted to make sure a valve train component wasnt the culprit tho. I watched while the mechanic drove it while the Scan tool was plugged in and the MAF was movin around so I skipped it. He said it looked good too.
Im gettin a new MAF just to see what it will do. Im gonna fill up gas tank and see what the junkyard MAF -MPG- gets me compared to the new, out of the box one.
