Ive read as many threads as i can and downloaded my file. But im seriously lacking on tuning this truck. Ive tuned just about everything GM makes and idk why im struggling so much with this file.
Can someone give me run down of what their using to Tuning maf, wideband air fuel ratio, and timing tables. Also wanna tighten up shifts on the truck. Ill take any info i can get or any videos link etc.