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I have an 04 DBW setup I believe and I'm really wanting to use the 411 pcm on it to be able to have the AC 12v input to control the fans and idle. What vehicles do I need to look for to do the...

I need some OS help. I'm looking for an OS for a 5.7/4L80E from an Express van that had the P01 PCM on the Vortec engine I'm wanting to do a PCM swap on my dad's Suburban. So I'm needing something I...

Why do I see so many people disabled LTFT in there tunes what's the purpose or reason for doing this?

Thank you for the lesson it's much appreciated

Question what does the base Idle adjustment really do with on a dbc setup? When the adjustment is really done with the idle screw on the throttle body. I know it sounds like a dumb question. Please...

Can I do a segment swap if I find the 12212156 OS to get back to stock file?

Is the OS i'm asking about a a custom os the way it reads is 12212156->1281002. should i be looking for the first OS and not the 2nd?

Does anyone have a 1281002 OS PO1 It says to be a 4.8. Ive downloaded almost all the files for the HP site and have come up with nothing Im trying to tune a truck for a guy and i looks like the tuner...

I'm sure this has been beat to death over the years but I'm looking for help on a good towing tune with exhaust brake. I pull a 32ft bumper pull camper and 26ft pontoon boat not at the same time lol....

Ok, thanks

5.3, ASA cam, hp tuner when car fires i have a popping kinda like a backfire almost until the car is warm is there something I need to adjust in the timing to get it to go away?

At the high RPMs be for like when its down shifting? And is there anyway to only command it when a trailer is plugged in or in tow/haul mode?

Is there a way to give my truck an exhaust brake by changing some setting with my HP tuner? If so what, where and how much.

have a 5.3 dbw with ls1 intake, long tub headers, ASA cam, 30lb injectors, rear O2 deleted, i can get the car to idle ok but when I give it any throttle and let off after it warms up it falls on its...

when I go in to the DTC to turn off things cause I'm not using how do I set them after I turn check off?

Car is going to be boosted down the road so I just went ahead and put it in should i have waited?

Only mod is a ASA cam 525525 109loa wanting to run speed density, open loop its a racecar for the most part, has a 3 bar map which will only read 50kpa

97521

Thanks for the response guess I have other issues to figure out the engine fires then dies

New motor vats are off the engine will fire then die can't do anything with throttle to make it stay running. Only vats delete and put in figures for 3 bar map. No maf no O2s

Should I be able to see a raise in oil pressure while spinning the engine over no fire on the HP scanner?

Would the arm 30-0334 with the pass through be ok or should I keep the stick ones wired into the pcm

Ok I have a 5.3 it has 4.8 pistons with 706 heads milled 30 thousands cam is 525/525 with 109 LOA I'm not going to be running a MAF just IAT & map sensor. Would I be better off keeping both front 02...