need help timing problem
06-24-2009, 12:36 PM
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need help timing problem hello i have a 94 z28 and has ported heads intake 510 520 lift cam 110lsa just cant figure out timing the tuner keeps giving more and more timing advancing it and it runs pretty much the same says he never seen that happen before and its up in high 40s low 50s still not pinging ? any help is appreciated thanks
