So this is on a Dyno Jet at 93 Degrees intake and roughly 23psi on 91 Octane.

Here are my mods. Exedy Twin Disk HD, Shep Trans, TBE, EMBC, RS BOV, Evo IX Turbo, Exhaust Manifold, SS 02 Housing, 272 BC, Walbro 255, Denso 680, FMIC, LICP, UICP, and a Tune.

I was expecting more, but is this normal? For some reason I thought I would be around 350-370 WHP.

 

It's kind of low, but that could be because of the 91 and super hot weather.

 

Thats some crappy gas, a hot temperature, and possibly a conservative tune. Any chance of another run when temps are alot cooler?

Have a graph?

 

I would say it is very low. That's about what 270-280 on a Mustang Dyno roughly depending on how its calibrated.

I have seen stock IX's with a tune make that much power.

I know you are an VIII, but you have a lot of mods....I would definitely swap whatever boost control you are using and maybe find a tuner that can do ECU boost control.

 

Yea, 91 is the best I can get in Oklahoma/Kansas. And as far as conservative goes my tuner told me he didn't want to go any higher on 91. Its prolly for the best. I'll have him email me my graphs.

 

Those are almost my numbers exactly. Same boost but I'm running 93 pump with no cams or o2 housing. Its prob. the gas. A retune with 93 oct would get you 350 or more hp I'm guessing. You are in the midwest, any chance of running E85? That would net you serious numbers!

 

Look at my numbers on 91.....I am driving 360+ dynojet whp every day on 91 w/ a damn HFC for goodness sakes. Drive a couple states to a better tuner is my suggestion. The gas isn't making the difference here.

 

Its a Greddy Profec B Spec II....... I thought these were decent. I didn't think this would be a prob and he was tuning off of the ECU boost.

 

No if you are using an EBC it is not what I am talking about. EBC is one of those set and forget type jobs, what you need is a custom boost profile done by a tuner w/ ECU flash

 

Sell I'm moving to Philadelphia in august. I don't think E85 is readily available out there. So is there anything I can do to fix this?

 

dude that way low for the mods u have.

 

Looking at your list again it should at least be worth 340, unless you have some sort of boost leak that you aren't telling us about

 

Yea he used EVO Scan. He's pretty good. He tunes all the Evo's in the area. My dyno lines were smooth, and A/F ratio stayed right around 11.3 all the way through.

 

I did a boost leak test and everything was solid. There was a small amount of air coming from the intake manifold..., but no where else.

 

It doesn't matter if they were smooth. There is a "smoothing" function that lets the tuner determine how smooth he wants the curve to "look". As far as I know EvoScan is just a monitoring tool for knock, it's not the tuning software.