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I understand...

So as far as my truck i honestly dont remeber if it had been dyno tuned or not. At that time my partner was handing all that side of the shop, (but covid got his ass) I imagine he...

Im not saying youre wrong, but if that was the case why wouldnt the factory make the LS motors run better? Why does everyone boast about power gains after a tune on just about everything? When I had...

Right now its stock tune, not looking for a race car, just give it a bit more pep. Seen and heard of 25-30 hp and 30-40 lbs tq gains. Thats a nice improvement Id say..
Swapping to the 0411 ECM...

bump. Someone has to have some experiance with 4.3...

So ive searched high n low for 4.3 posts and it seems to be a very rare subject. Hard to believe not many are tuning these. Tons of S10 guys out there. Look in the repository, and 1 file and its...

California can lick something hairy in my opinion. Lol
Well being there is a few ways ive seen online to turn off vats with out going thru HP or some type of license, that why i ask. If thats what...

I do appreciate your help, but the ecm was never "tuned". All I said is they turned off the VATs..... Thats it. I did compare it to the other ECM i have and there is very slight differances. So all...

Thank you for the responce.

My understanding was if it had been licensed buy them and its not locked i should be able to open it and make changes. Am I wrong on that? If so, then i will use the 2...

So sorry to beat a dead dog here, but ive been searching for days. I had vats taken out buy a shop before i was slightly educated on this.
Charge me for a HPT license on a 0411 ecm 4.3, and time to...

Hi, my name is Steve and Im an alcoholic:D...Opps, sorry. Wrong group. I am new to tuning and am excited to learn. So bare with me when I ask silly questions. My expertise in in drivetrain...