Lifted 14' 6.2 ran a slow 14.1@97, need some help with tuning issues.
#11
I was happy with the 1.9 60', it rips all 4 tires off the line. Off idle TQ is insane. Just need cool air and it should run 13.90s. That's what I expected anyway. I've seen bone stock trucks like mine run 14.0. So a catback and tune only got me back to what I would run without the lift and tires. Lol.
#12
Any ideas on why the throttle is limited to 84%? Or how to make it open all the way?
#14
You're logging the wrong PID. The PID you are logging (TPS) only goes to 84%.
Log the actual pedal and the throttle body, that way you can see how the pedal corresponds to the throttle body. They will show different numbers since the TB is computer controlled. You want to make sure that you are getting full opening.
Are you logging with HP or EFI live?
Edit
I just read back and saw HP Tuners. Are you using 2.24 or 2.25 Beta to log?
Log the actual pedal and the throttle body, that way you can see how the pedal corresponds to the throttle body. They will show different numbers since the TB is computer controlled. You want to make sure that you are getting full opening.
Are you logging with HP or EFI live?
Edit
I just read back and saw HP Tuners. Are you using 2.24 or 2.25 Beta to log?
Last edited by LIL6BT; 01-26-2016 at 10:21 AM. Reason: Re read and found detail I needed
#16
With the 4" catback it seems to breath better up top, but what really woke it up was copying the vette cam timing over. No anything under 20mph it'll light the tires up and spin into second gear. I'm still somewhat confused about the 84% throttle thing, but I can solve that with some research. I really need to get cold air in, that's what's killing my times.