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Anyone running a JLT 123mm CAI with the R2C air filter or other brand of filter? I need to know if not having a JLT filter in the JLT CAI can cause issues in the tuning My data logs are showing fuel off by 60% in the 2k - 3k rpm range and I do not believe I have any air leaks along the air...

thx for the info today

Do you know how to tune for the ID 1050x injectors? Not just at wot, but also idle and low speed street driving? Sent from my iPhone using svtperformance.com

Anybody running JLT CAI with ID injectors? Sent from my iPhone using the svtperformance.com mobile app

Mine is doing that too. What CAI and TB do you have? Sent from my iPhone using the svtperformance.com mobile app

Update: Tuner does not know what he is doing. This place XP Racing in Oklahoma City has your typical dynotuners who can only tune WOT and nothing else, because it is easy and a quick turnaround Car drives like crap while cruising below 3k RPM I just purchased a custom tune from VMP Performance...

I had posted an ad here, but it's been deleted. All of my ads have been deleted by the way .... :(

How do I delete my post in this section? Sent from my iPhone using the svtperformance.com mobile app

Replaced O2 sensors. Nothing happened Issue is in the tune after all I am not sure what decision to make: 1. Spend $500 to trailer the car to the inexperienced tuner (on top of the $640 I had already paid to have it custom dyno tuned): Pros: dyno tuned, Cons: tuner will not give me the tune, so...

I did not seafom it. Everyone says there is no way my car has carbon deposits to worry about. So now I am at the point where I am going to start investigating the last item on the check list before I take it back to the tuner: O2 sensors The hesitation under boost right after I shift gears and...

The other possibility for the hesitation under boost after shifting gears could be carbon build up. I know my Roush has only 12k miles on it, but it has been some serious combustion issues recently that even caused of my O2 sensors to go bad. I'm wondering if that also caused carbon to build up...

I have the original SCT, but not the 4 I really wanted to keep my JLT CAI, but I have heard they are known for creating tuning issues. I also read that one of the many possible causes of code P0300 is vacuum leaks, which causes hesitation Why do you ask about SCT4?

Got a P0300 code which jives with unmetered air sneaking in Can this be also the infamous cylinder 8 issue with S197's? Here are a couple of pics of the gauge I just took with car at idle Sent from my iPhone using the svtperformance.com mobile app

The MAF is installed correctly, since there's only one way to install it. I will probably run one more test this coming Friday to ensure there is no vacuum leaks before I travel 200 miles and take the car back to the tuner There's something I stop thinking about: fuel pump. I still have the...

I have a problem with my 2012 Roush Mustang. I recently upgraded everything along the air flow path, injectors and new custom tune, and now it stalls when I shift gears at WOT and it dies or has erratic idle after I shift from gear to neutral while cruising I’ve blown some smoke up the air...