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All I had luck with my last tune adjustments. When transmission was cold I did not get the rough shifts today. My transmission adjustments are below. If anything changes the next few drives I'll...

After watching many logs I pin pointed when the transmission fluid temp is below 80 degrees is when I get harsh shift 1-2, as the transmission and car warms up the transmission starts shifting...

From all the tuners out there, what have been the best fuel injectors you have used (best drive-ability, best idle)? Who provided good data to plug n play in HP Tuners? What fuel injectors did you...

Wideband is good and trusted, used it to tune my turbo car to perfect. You guys might be on to something with these injectors.... I found an interesting read
...

- LS9 cam
- Larger Injectors MOSTPLUS M02A80, 80 lb, 835cc, 12 Ohms High Impedance (rated 830cc/min at 43.5 PSI)
- Fuel pressure set to 48 PSI or close to.

I just put in a new set of NGK TR6...

Thanks for the advice, I went in and adjusted timing. After reading some on AFR and Idle, I also went in and adjusted "EQ ratio" under open loop to command around 13 AFR around idle kPa.

I...

I am trying to get a custom built supercharged Corvette to idle correctly. Custom cam and supercharger. I've got the car to idle fairly smooth on startup with a richer AFR but after the car is...

Parts list -->
Exhaust:
? Kooks Race long tube headers
? Kooks X-pipes, Mid-Pipe stainless steel 3 inch
Clutch:
? McLeod Racing 6305507M - RXT Street Twin Clutch kit 1000hp
? McLeod Racing 1374...

New to HPTuners and trying to get 2002 Z06 supercharged custom built LS2 to run decent enough to get down the street to the dyno. I've attached current tune and log file. When the car the is cold...