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put one on my dads srt 300 and did pretty well at the track..12.40's so it picked up over well over a sec..we want to put it on the dyno..to see if she's happy with the pro charge tune..he was in a rush to pick it up so


well went to the chassis dyno,and it says 400rwhp.. still picked up a sec in the 1/4 they say 370ish stock rwhp..a/f ratio looked real nice high 11's..but the chart also showed from 3500rpm to 6200 unstable climb not smooth like the beginning of the pull..were thinkin theres more left in it..just tryin to find a long island guy that knows what he's doing with the diablo..any suggestions?