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I love it when that happens. Happy hunting!

Good deal brotha! I'm going to go out today and let it eat some hellcats. :)

Awesome, hope that works out for you. These cars are beyond sensitive. Tune has to be perfect.

Are you able to look at the datalogs in LiveLink? Check the fuel trims if they are less than .97 during WOT or greater than 1.05.

I can certainly understand your frustration. I now have an issue with positive knock appearing in 3rd gear only and it doesnt happen all the time. It's probably a loose exhaust bolt or O2 sensors going out. What kind of specs do you have and I'll try to help? Are you on E85, etc?

I wanted to follow up with the fix to this issue. In short, the plugs weren't gapped properly causing spark plug blowout under high boost. The plugs needed to be .030 and they were about .045. Way too much gap for a boosted car. Sometimes I would get lucky and a good pull might sneak in there...

Yes, the SAI LI system is the new one. I just got it a month ago. The car is running rich for sure. VMP is my tuner. I've reached out to them but it takes forever to get a response if you didnt pay for expedited service, which I didnt. Now I wish I had. But thank you for your advice with the...

I was told the same thing. So I went out and bought new 6510s about 2 weeks ago. I dont think it made a difference in my case. But I hope that fixes your issue though.

I thought about doing that too. I'll try that later today and post the results.

Looking st the log, actual WOT is in the low 90s throughout. Still rich imho. It takes a long time for the tuner to get back. Sometimes can take 1.5 weeks! One thing is for sure is the car is running better than yesterday, but still not good enough. The only thing I changed was readjust the...

I'm talking about fuel trims with that number. Perfect is supposed to be 1.0. I've seen the trims be anywhere from .81 to 1.04. Once the car get past the little sputter and takes off, it's usually around 1.0+-. I just took a data log. I'll look that over. I adjusted the fuel pressure back to...

I've had numbers as low as .81 during a slow rev while in 4th gear. Is this a tuning issue? Is the fuel pressure too high?

Hey Everyone, I'm at my wits end on this. Here are my mods that are relevant to this post: 2015 Mustang GT Roush Supercharger E85 72mm upper 5%OD ATI Damper SAI LI Fuel System DW 95 Injectors VMP Fuel Rails VMP Tune JLT 123 CAI I've been trying to nail down an issue with the car sputtering...