Sorry it took so long, the vette was in the garage for the week, the cal id's are as follows
12597506bf ecm software
09359617ab engcal
09357970abneng diagcal
1626143 ab eng diagcal
16264143ab transcal
16253323ab transdiag cal
16264767ab vehsyscal
16264551ab fuelcal
09359157ab vehsyscal




16264551ab

BF12597506YG

I had my pcm updated before installing the predator unit

Thanks Lew, I appreciate you writing the tune but I tried to install the tune and it says that the cal id's are wrong. I appreciate the effort from everybody at diablosport but I think there is something wrong with my pcm.... I checked my ltft's and the're at 25% WTF !?!? I think I'm going to order ...

Here ya go, current and original tune!

Hey y'all, would any of you guys be able to write me a tune for a 1999 corvette M6, K&n intake, Long tube headers and rear o2 sensor delete. Here is my original tune. Thanks Guys!

I'm not sure if I'm running an aftermarket maf since I bought the car modified. How can I tell?

I'm going to try running through the basics first and see where that brings me, plugs, wires, fuel filter and fuel system.... If it is the long tube headers there must be a way to "tune" the car to make it run properly? I'm also thinking that the k&n and co. (intake,maf and map) I'm going to take ...

Yes it is an M6 and I actually already have a log. The symptoms are as follows, car starts fine, idles fine, when I accelerate everything is normal until I get to 2500 rpm, the car hesitates and bogs and then picks up again. I'm not sure if the type of driving in the log is what your looking for but ...

Kudo's to the tuners at diablo sport! The predator worked and i installed the tune. Everything is fine except I'm still getting a hesitation at 2500 rpm, any idea's?

Hey again, Any news on that revision?

Thanks guys! The screen is more screwed up then dim, but ill try it anyways! I think I see some light at the end of the tunnel! Keep me posted

Wow, thanks for the lightning quick response!
here are the answers to your questions
1G1YY32G8X5131139 vin
Also on a second note, the screen on the predator crapped out so I can only read the cal id's and sort of what they stand for.

Hi guy's, I am posting to you all in an act of almost desperation :( I purchased my dream car (99 vette) 3 weeks ago from a chevy dealer. I was able to purchase this vehicle because it was priced extremely cheap but had a bad hesitation problem at and around 2500 rpm. I called a few mechanics and ...