Im just saying that 370 with cosi 272 on pump gas(dynojet) is possible and heres one with 380whp with no meth straight pump https://www.evolutionm.net/forums/sh...&highlight=ISP


I no Ivey is a excellent tuner. Like I said before I was just suggesting he might want to try a different tuner.

 

Exactly I was just stating that 370whp is possible but if you dont have track numbers to back it up then its pointless.

 

370whp dynojet is quite possible on the Cossie cams...

Last Saturday i got a printout of my last dyno session which was on 9/1/07... Different dyno but its easy to do the calculation...

Dyno facility is The Shop, CT... No correction crap for me... i run a straight 1.000 cf...

Red line is Shell V Power and 22.5psi spike. Thats 309whp and 325ft-lbs at the wheels. Afrs are straight 11s until 6200rpm and until the rev limiter its 10.8s...

Blue line is my first attempt on tuning the car on racegas at 26psi spike... Afrs are 12s until around 6200rpm and 11.8s until the rev limiter... Dont get consused by the torgue/spool difference... On the racegas map i was WOT after 3700rpm as i was only tuning the cells above 4000rpm... (drag racing)... This dyno is 330.4whp at 26psi...



This dyno IF ran uncorrected is 20% lower than a dynojet .... Thats 370whp on pump and almost 400whp on racegas....

For those who think that on racegas the car should have made more, I totally agree... AGAIN... i tried to tune the car on racegas... No some tuner...

Here's the racegas dyno again that shows the full pull, over 7000rpm.... the power stays above 310whp at 7500rpm...



And here's the boost and afr curve on the same pass...



Probably i will use the services of a professional tuner to finish my racegas tune, which actually now is better since i got the chance to run the car on the track however i had some transmission issues...




Maybe if i have time this Sunday i will attend the ICS dyno day and get a dynojet sheet for the fans....

 

^ Where did you get the 20% difference between a dyno dynamics dynamometer and a dynojet (uncorrected or not)?

 

in the ny/ct area...as well as statements from other vendors/shops who use/own such dynos...

 

Sorry, but I don't by that at all. The hiearchy of dynos (from lowest to highest reading) is as follows:

Mustang dyno ===> Dyno Dynamics Dynamometer ===> Dynojet ===> Dynapack

A Mustang dyno typically reads ~10% lower than a dynojet.
A Dyno Dynamics dynamometer reads ~1-2% lower than a dynojet.
A Dynapack reads ~8-9% higher than a dynojet.

These figures are not only based on my own dyno experiences, but from most of the articles that you will find on the Internet.

 

So if this the case...i guess my car only has 315whp (used the 2% difference)... and since with that power i have a 12.14@114.2mph with a 3510 pounds car with driver on pumpgas that makes me THE BEST DRIVER IN EVOM....

Cool....i have the fastest and heaviest 315whp EVO in the forum...

 

the internet = web of a thousand lies ... you can make any dyno read pretty much whatever you want, all depends on how you set it up. Not even the same dyno type will read the same across models. Ive dynoed my car on multiple mustangs, and they differed as much as 10% (no change on the car, maybe gas or weather), and I've dynoed on the same machine with variations of as much as 5% (again no change on the car but maybe gas and/or weather). Dyno numbers are only good for back-to-back comparison as a tuning tool. Unless you dyno two cars back-to-back on the same machine, 10% (or even twenty) isn't a difference I'd call something to worry about.

 

I'll believe what I've read/seen, you believe what you've read/seen, and I will consider you to be a great driver nevertheless.

 

I couldn't agree with you more--dyno are really only good for one thing--tuning. The proof is the pudding is what you run on the track (although various factors can detract from track results as well).

 

At least we agree that we disagree!!!

Thats the most important thing...

and i agree with you that the dyno is a tool for proper tuning and thats why i like dyno dynamics better...

In the end the only SOLID proof is the track...

 

Which you have no doubt done!

 

thanks mate!

well still trying... i know there is an 11 second pass somewhere which i will find sooner or later....

 

That car has an AEM EMS NOT stock ECU


The power i made was in 98* weather and it was soooooooooo hot in that dyno bay... Its not about the tuner, my tuner got the most power out the car as he could SAFELY... Im sure if it would have been in the low 80s, 370whp+ could def be attainable.. I am VERY happy with my tune and my tuners work, no doubt about it.... I WILL be visiting the dyno when it cools down and retune and try to get 370+ on pump gas 93

 

Did your tuner run the dyno with Correction factor On or Off?