Quote:
Originally Posted by JANNETTYRACING
Each tuner has his or her own preference and I respect that.
.86 is 12.65 AFR.
That is a lot leaner than I would like to see and explains why you could stretch the fuel so far with your set up.
On the dyno .85 is where they seem to make the most power but we run them at .78-.80 for cooling on pump gas especially on long pulls past 1/8 mile.
I have no trouble running them at .85 on Race Gas.
You have a very nice set up Congrats, and enjoy.
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My experience with di engines is that you can go closer to stoich than traditional efi. My last boosted vehicle was the tt bmw n54 we ran much closer to perfect stoich with minimal detonation correction. Then again that was also on high ethanol content mixes.