Originally Posted by
thehemi
I just installed a FAST 102 and 100 MAF on my nearly stock LS1 (only other mod is LTs).
Even updating the MAF table, it's too unstable to be able to drive to a shop for a tune. Something in the tune isn't happy. It seems to almost be okay and then suddenly it goes super rich, like something in the tune is hitting some kind of fail safe configuration.
Does anyone have a tune with a stock-ish LS1 w/ FAST 102 and 100 MAF they can share? I would be curious to compare and see what else might need to be adjusted beyond just the MAF table. If nothing else, close enough that I can actually drive it to the tuner.
Thanks,
Scott