I have ran both. Torker II ran lean in the corners at low boost 10lb, presently using a excellator which is much better, but still have lean issues with #5, but i was running 15lb with no inter-cooler, just meth.
With out a intercooler, i would stay around 10-12lbs with pump gas. If you use meth or a intercooler, you could run 15lbs plus with a good tune. more boost= more power, i have seen going from 12 to 15lbs makes over 100 more rwhp, but it all depends on your combo.
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