Tune changes for FAST intake?
#3
I know nothing about tuning...I'm borrowing efi live from a buddy. This is my older tune. I've since gotten a second tune with the fast intake, however, drive-ability isn't as good as with this older tune. I wanted to see if I could just use the old one with some minor adjustments. Not that easy?
#7
Yea, the car has a surging idle. Even with the other tune I have, which is for the heads/cam/FAST, which I'll post in a few days, the car has a surging idle, but only in open loop....Again, I want to use the tune I posted because it just seemed like the tuner spent more time on it..
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#11
The other thing that comes to mind is maybe I should replace that rope gasket that goes in between the runners. It seemed pretty smashed when I last pulled the intake apart.
#12
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not necessarily, a vacuum leak can cause the car to run lean causing a surge, in closed loop the computer can correct. I would check idle air trims, if they are way minus, there's your problem.
I would also check ltft's, we're just shooting in the dark without that info.
I would also check ltft's, we're just shooting in the dark without that info.