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yes I went with AlphaFab Industries/Motorsports and got totally burned too.. :D and heard every excuse in the book... they wouldn't even return my...

Bumping this to say that the 2018 Cobra Jet lists a 2011-2012 Copperhead S197 part number, the calibration shows as a Copperhead and its using a MAP...

Interesting that it shows its a Copperhead pcm but is also equipped with a MAP sensor and not a MAF.

I have the same issue on a couple of cars running aftermarket HPFPs. In these cases, on cold starts, the commanded fuel injector pulsewidth will...

Where you save the download is irrelevant. During install, it asks you where you want it. Change from the default to something like C:\Temp\HP Tuners...

That issue is normally due to unplugging the exhaust sensors. Some tunes require them to stay plugged in.

I asked the the trans builder (Jake?s performance) if there was a tone ring/ reluctor in the transmission there and he said that they build almost...

An OE TB just ordered. I'm looking for Wed -Thurs thru Steve White Motors. Their parts dept gets lots of good press and I agree. Their online $$...

I run MAF only on my modded ZL1 with no problems. Makes tuning easier.

Check your fuel pressure at the rail. It may be bleeding off after a long shutdown, mine does that.

Interesting, I know a tuner who has an easier time getting higher #'s out of his 6.7 & struggles with clean 5.9 mpg tunes. he also pushes a single...

Revisiting this.... I changed my brake switch and it fixed it. I guess because of rewriting the ECU it would clear the problem for a one time use. I...

If you still have an mpvi1 it logs perfectly fine, just wont flash. I use both cables when tuning these and it works flawless. Sure its a couple...

Check transmission fluid level?

His problem was that he "hoped" that moving over files by copy and paste would resolve his issue, it simply needed to be segment swapped, or just...

Pull rear VSS. Look in there and see if it looks like this. If so. You have to figure out the transfer case issue.

The major concerns are your laptop shutting off(battery goes dead, screen saver, sleep mode etc) and causing an incomplete flash, the vehicle battery...

If it's a 4wd 4L80E then your not getting the correct reading on the rear VSS because it's picking up the Park Pawleys engagements. Need to figure...

Thanks a lot for your answers. Much appreciated!

That's an interesting tactic. I looked at the tune and see no TM in Normal, only in Performance, and never on the 3-4 shift. I've always wanted to...

Can you post the tune and log?

I believe one of the earlier tunes I bumped it 1.05 which is 6090 and shifted good. I thing it shifted low 5900. Anything higher than that I start...

hi my name is Trisha from Texas and I'm happy to get here.It's been a long time since I came here and read what you write and I also wanted to share...

Yeah i re-sync each time I've used it, i brought MPVI2 nearly a year ago but only started using it this weekend. Hopefuly its something the seller...

Eric - is it even possible?

Im not 100% sure how it works as mine was already setup, but have you tried to re-sync the device?

This tune shows you set WOT 1-2 at 5950 RPM.? I don't get it. If stock works right and multiplying by 1.07 won't shift, you must be hitting a...