I just purchased an XCal 2 for my 2002 GT. I only have a drop-in K&N, an off road MAC prochamber midpipe, and a Bassani catback. I ordered the gear kit from americanmuscle.com with the 4.10 gearset, so I know what to expect from that. But what kind of gain should I expect to see with a 91 octane tune? a 93 octane tune?
Keep in mind not everyone will see the same results. The main variance is where you buy the xcal from as they are the tuners. You will see more gains buying it from MPH than American Muscle as MPH has alot more experience and specialize in tuning rather than an online parts warehouse.
I bought a used Diablosport from a guy who origionally bought it off RPM Outlet and let me tell you, I cannot feel a damned difference at all. Maybe a little when I went in a bumped the timing. Now its either waiting for a dyno tune with it, and in the mean time its keeping my CEL off from my exhaust and letting me mess with the timing and fuel a little bit.
If I were to do it over again id go SCT from MPH.
I'm assuming you don't have a custom tune on it, thus not feeling the difference. Even if some jackass did a custom tune for you, you would have felt it (good or bad).
For me, the mail order I got works fine, but I'm glad Tim does Diablo now though, I was gonna sell it and get SCT just because I wanted his tune.
werdLike I said there was a night and day differance with Tims tune
I'm assuming you don't have a custom tune on it, thus not feeling the difference. Even if some jackass did a custom tune for you, you would have felt it (good or bad).
For me, the mail order I got works fine, but I'm glad Tim does Diablo now though, I was gonna sell it and get SCT just because I wanted his tune.
How much$$ are they from TIM?
do you mean Tim does custom tunes with diablo? I know he sells diablo but i didnt know that he tunes with it now. I was also getting ready to sell my diablo for an sct just so Tim can tune my car.
Hmm... so Tim uses Diablosport now eh? Might not rid mine afterall. I wonder if I could send mine in, have him burn a tune and me re-install it.
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