First ever cobra jet mustang gt

Dennisn said:

Why not run a pump gas tune on trips. That's what I've done.

Click to expand...

esacteksab said:

Because with the 20% OD damper and 4" pulley, it's still on the ragged edge of being safe.

Click to expand...

Dennisn said:

I have same issue when I didn't change my springs out. I just don't get on it at all. Couldn't you have tuner back down timing and the tune so it's well under that edge.

Click to expand...

esacteksab said:

So Whipple's kit on 93 will go 133-134. With their "tuner" of sorts, you can run ms109 or 100 and run 136-137. You're into that kit for $7k +/-

In order for me to run E-85, I have

1) Upgraded fuel system, which includes new line, regulator, twin pumps, extra wiring, etc.
2) Upgraded Injectors (ID1300's)
3) Tuner + Tune

So I probably have $2k+ to go 2-5 MPH faster....Sure, I could put a built short block in the car and go 150, but stock motor...142-145 is what I've seen.

Also, with my car, cold start is a mf'er.

My car runs great, drives great, I couldn't be happier...but I'm on a leash. I don't have E-85 on every corner. And the E-85 that I can get isn't always 85% ethanol. Do I test every tank? No. Do I test prior to ever pumping at that station before Spring/Summer...YES!

It's more of a PITA than I'd like.

To be completely honest, had I to do it all over again, I'd wait for CPR to release their single turbo kit. Run around on a 7-8 PSI spring on cheap 91 and when I want to hurt feelings, turn up the boost and put E-85 in the tank.

Sure I'd still have the same fuel system and the same "problems" I have with E-85 and the Whipple.

With the 20% OD, I'm 93-only with their largest 4.0" pulley. I haven't looked at a log to see how much difference there is in timing (or lack there of) or what else is done, but I cringe at the thought of WOT with 14-15 PSI and 93 octane.

To me a turbo is the best of both worlds...or go back to a stock diameter damper and run the larger pulley for cheap 91. But I'd do this with Whipple's kit and their Flight Control...Whipple will never support E-85 so that's why I have what I have.

Click to expand...

mustang_guy said:

You also wouldnt have added 200+ lbs to the car either. Cpr would be around 100-120lbs depending on turbo picked.

Click to expand...

esacteksab said:

Yeah, I don't know if I'll do anything with the car or just leave it in storage this year. But when I pull it back out and decide to do something with it, selling the Whipple and getting CPR kit.

Click to expand...