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Thanks Taz I worked on the tune last night going to try it today and I will post the results.

I need help. I just installed a FLT 4l80e and I did the segment swap in my tune but I get codes p0748, p0753 and p0758. I used a Speartech harness adapter.
The truck is a 2003 silverado ss...

I need some input on this tune Iam installing a Finish Line Transmission 4l80e with a YANK SC3000 converter into a 2003 Silverado SS that has a bored and stroked LQ9 with L92 heads full exhaust with...

I have been trying to read the pcm on a 2007 Isuzu Ascender and no matter what I do the read wont get past 32k. I have all of the radio and onstar fuses out and the doors are closed. Anyone have...

Iam using a 3 bar map. I dont have any good logs for the current tune, as I made some changes tonight that seemed to help and I don't have time to go for a nice drive. I can have some logs next...

I just switched to cos3 and cant seem to get on the right track. The start of this tune was a tune that I have been running for months that was pretty good except for high boost. The engine is a...

The small one wire ground on the left front of the engine behind the altenator. The terminal was ripped off so it was easy to miss when we put the engine back in. Now it is time to start tunning.

Truck runs now. Had one ground not hooked up.

I know I have rpm signal so I guess my sensor is working and I will check the grounds and spark and fuel in the morning.

I have a 03 silverado ss with a vortech supercharger and a freshly stroked 6.7 that wont start. I believe the problem is the crank angle sensor, but I dont know how to relearn the ckp without the...