I have thoroughly enjoyed smoging my car this year! Not.  After spending an initial $89.95 (with a $20 off coupon) at a local "Test Only" station, my car failed the smog test three times.  BTW, I have a 1989 Chevy Camaro IROC-Z/Z28 5.7.  Before I took the Camaro down to the "Test Only" station, I changed the timing from 9 degrees BTDC to negative ( ( Read more... )