DYNO results, and questions

Skyman · 09-24-2001, 06:48 PM

Yeah... Hmm...

Well I dynoed on a Mustang Dyno. I put down 293rwhp on my first pass, which I think maybe my real HP. After his so called tuning I jumped to 332rwhp. They both peaked at 5500rpm which seems fine to me.

But he leaned my car out to 25psi fuel pressure on 24 lb injectors.

And my car felt no faster at all afterwards.

I just recently closely exaamined my dyno graphs, and I think I got screwed. The guy is now out of business though. It looks as if my car peaks HP but at 4900rpm! Thats why at the track the lower and lower I shifted it the more MPH I would gain. Im going to add more fuel pressure again and more timing back when I go back to the track and see what happens.

Theres more details, but it would just take forever to go into them.

Also my 107.4mph was made on slicks w/ 10psi, which is about 2 mph there, and I found aftwards the rims my slicks were on are grinding the **** outta my brakes. They have huge cuts in em, so who knows how much MPH that is worth.

The track will really tell, Im kinda fed up with dynos.

Skyler

------------------
-1989 Saleen Mustang #406-
TFS TW Heads, E-303, Edelbrock intake, 70mm TB, 73mm MAF, 24lb injectors, 1 5/8 shorties, Off Road H, 3 Chamber flows, Jaz Race seats, Back seat removed, sub-frames, Roll Cage, and a 80 shot of N20.
12.54@107.4 Motor
332RWHP, 350rwtq

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09-24-2001, 06:48 PM	#1
Skyman I need 110mph Trap Speed! Join Date: Feb 1999 Location: So, CA Posts: 4,315	Yeah... Hmm... Well I dynoed on a Mustang Dyno. I put down 293rwhp on my first pass, which I think maybe my real HP. After his so called tuning I jumped to 332rwhp. They both peaked at 5500rpm which seems fine to me. But he leaned my car out to 25psi fuel pressure on 24 lb injectors. And my car felt no faster at all afterwards. I just recently closely exaamined my dyno graphs, and I think I got screwed. The guy is now out of business though. It looks as if my car peaks HP but at 4900rpm! Thats why at the track the lower and lower I shifted it the more MPH I would gain. Im going to add more fuel pressure again and more timing back when I go back to the track and see what happens. Theres more details, but it would just take forever to go into them. Also my 107.4mph was made on slicks w/ 10psi, which is about 2 mph there, and I found aftwards the rims my slicks were on are grinding the ** outta my brakes. They have huge cuts in em, so who knows how much MPH that is worth. The track will really tell, Im kinda fed up with dynos. Skyler ------------------ -1989 Saleen Mustang #406- TFS TW Heads, E-303, Edelbrock intake, 70mm TB, 73mm MAF, 24lb injectors, 1 5/8 shorties, Off Road H, 3 Chamber flows, Jaz Race seats, Back seat removed, sub-frames, Roll Cage, and a 80 shot of N20. 12.54@107.4 Motor 332RWHP, 350rwtq**