check your A F R 's at wot you should not go above 12. pulling hard in 3 gear (auto) wot if your afr are 12 or below , your good, if they are above 12.5 do not go wot until you get a tune, and intake.

some people run 12.3 to 12.4,,,, but to be safe and not blow your engine stay in the 11's,, max 11.9

stock you will see from 9,9 to 10,7 the factory makes it rich. jim