i just tried a ultra hp950 against my mighty demon 825 on my package i lost about 3/10's and 3-4 mph.just did not get it done.did chassis dyno a tad over 400rwhp it did seem to want to run richer than the demon go figure good luck Tex ps.just ran a new pb 11.308 on sunday.crap i broke out
New best ET 10.259@129.65 . New best MPH 130.32 Finally fitted a solid cam, stepped it up a bit more 3690lbs through the mufflers New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm Power by Tex's Automotive