My dyno numbers.
This is a discussion on My dyno numbers. within the Computer & Tuning forums, part of the LSx Technical Help Section category; Just try not to get too caught up in your dyno numbers...whatever dyno you use, as they don't mean, or ...
06-01-2010, 01:00 PM #21
- Join Date
- Jun 2007
- Baltimore, MD.
- 1971 Chevelle SS 402
Just try not to get too caught up in your dyno numbers...whatever dyno you use, as they don't mean, or prove, diddly. It's much more impressive not having BIG, inflated dyno sheets, but running quicker/faster than the next guy who makes 100more rwhp on a piece of paper.
My old 2000 SS A4 car made 344rwhp/314rwtq (Mustang Dyno), but at a race weight of 3755#'s with me in it, would yank the driver's wheel and run 11.60's at 116mph all day long anywhere/anytime.
3600 PI Vigilante converter
Also of interest, mine ran the EXACT same numbers (60 foot, 1/8th mile, 1/4 mile, and mph) whether cutout was open, or closed and running through the SLP dual/dual catback...
FWIW, Before the cam, with just the converter and longtubes, the car dynoed (M/D again) at 322rwhp/318rwtq and ran 12.70's at 107....
I'm not the smartest guy in the world, but I know it took (REALISTICALLY) much more than 22rwhp and a loss of 4rwtq (as "proven" on dyno sheet) to run over a second quicker, and 9mph faster in the quarter mile.
Regardless, GOOD LUCK in your quest of running 11's. It "should" run 11's quite easily.
2002 Silverado Z71 ECSB HPTuners tuned by yours truly
1971 Chevelle SS w/427/Turbo 400/12 bolt
06-27-2010, 06:55 PM #22
Well I got my car back at took a look at the dyno sheet. It was 12.5 on average. That's all it shows. I think he did some more tuning while my mechanic had it, cuz it idles a lot better and doesn't surge as bad.
I raced a foxbody this weekend. I believe it has a 351 windsor, might have H/C, exhaust, s/c, dunno how much PSI. But he runs a 7.46@96mph I believe.
Similiar launch (no spinning), and we were probably dead even around 80, 100 he was pulling, and I gave up around 115 or so is my guess, by then he had probably 2+ cars on me and was pulling pretty good, but the 1/4 mile would of been over by then anyways.
He claims 572 at the flywheel in his sig.
I'll post the video later. (whenever my passenger uploads it)
06-27-2010, 06:58 PM #23
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