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Thread: zl1 popping wild afr's and timing

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    zl1 popping wild afr's and timing

    2018 zl1 with ported blower, heads, cam, 2.3 upper, 9.2 lower, 5" intake, ported stock TB, and 2" header back 3" exhaust, meth, running 93. I put a base map in it and forced it in MAF only mode. I started logging with stft and ltft off. It runs and stays running and i do see its running pretty rich. This is my first time tuning gen V. Ive had alot of luck in the past tuning gen 3's and 4's and running them in maf only mode so i just want to make sure i am on track and see if all the CEL's and negative timing and wild AFR's are just part of the process. i appreciate y'alls input ahead of time
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