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Can someone please help me? 1999 GMC Sierra 1500 2wd Gen3 5.3L .020 over Flat top OE style 4.8 pistons with LQ9 rotating assembly\ 706 heads,...

Good morning. I was reading a post by ragtp66 from about 2 years ago and I'm having the exact same issue that he was having. I replied to his thread...

Maybe I'm having a brain fade but I don't see any direct relation to adjust fueling during closed loop vs intake air temp. Is the only adjustment...

I'm very new to tuning so go easy on me. I have a 402 LS that was formerly in a different car and is built for boost. It had a F1A procharger on it...

Help me understand this i am playing around with my stock truck to get a feeler for tuning again and maybe I can wake it up abit. The base spark...

Hello, I have put a LSA in My Datsun and it starts and run (on stands,no propshaft and half shafts). Ecu is a e67, "late" i think. "ECM: 7E8, CAN,...

I recently read his Efi books and he talks about octane being the resistance to burn, and higher octane versus lower octane, means more timing is...

02 Silverado 6.0L with a btr stage 2 truck cam. I installed 80lb deka's and input the correct injector data 58psi 1:1 FPR (I know it to be correct...

i have a 5.3 sloppy mechs camshaft bosch 210 injectors truck intake and a sr75 turbo cant seem to get it to start and when it does start its only...

Hello , Im trying to cure this idle condition Ive had for awhile. Its been to 3 different tuners since I upgraded the cam and still has the same...

I've been working on my L29 7.4/454 Black Box tune and I think I have a 80-90% solution. I got the SD/VE and MAF tuned close. Then verified that...

ive never post on a forum before so i dont know if im in the right spot or if im up loading the right file ...scearhed and read and read and read for...

Hello all, Just picked up a TBSS intake with aftermarket billet fuel rails and 36lb 12613411 factory injectors, going to be adding on a 102mm...

Has anyone had any results with decreasing the variable cam retard in the low/mid-range to gain more throttle response. I know throttle response can...

hey guys to start off i am swapping an L96 6.0 mated to an 8HP70, into my 79 wagoneer. I got the kit from Bruiser Conversions. The motor harness is...

2007 Tahoe LTZ Flex Fuel BTR Truck Norris Cam 243 heads upgraded springs and rocker arms long tube header 1 7/8 off road crossover pipe into Flow...

I'm hoping someone can help me out and look over this tune and tell me if it looks right. I paid for a mail tune (I'm not disclosing who) and the...

Ive just gotten my 2000 TA back running after being down for a while. Setup is: Tick SNS 3 cam 235/243 | .630"/.610" | LSA111+2 Wilkes Perf CNC...

I'm amazed on how switching to E85 has increased my performance and wondering what people consider the limits on spark Previously ran 12-13* on 93...

I am about to purchase items to tune my truck - 2019 RAM 1500 5.7L. I had opened a 'support ticket' with HPTuners, and the tech guy sent me back an...

Hello, I am trying to tune a 2013 caprice PPV L77 with E38 controller, no matter what I do the data transfer rate is extremely slow. In the...

Hi, Working with a cammed ls1 and dealing with a drop in timing at cruse. Goes from 44 to 4 for a brief second. Can be felt while driving. From...

Looking for a little help from the tuners experienced with black boxes. I'm currently working on tuning my 2000 K3500 454/7.4 on the black box (BB)...

Trying to work on a tune file for another build I just did. In open Loop i noticed the o2s lean out either both or one side. could they be going bad?...

need help with a base tune for my s10. engine and ecm is out of an 01 suburban (P01) fully built with TBSS intake/ with deadhead fuel system with...

2019 silverado 6.2L. Was looking at the driver demand stuff and the mode A, B, C. My truck has normal, sport, tow, and i think off road. Its...

Needing some Help, I have a 2000 SS Camaro with an auto trans: Car has: SLP intake/Headers/LS6 intake/MAF/ comp cam 228-230/918 comp valve...

Hey folks, I was hoping for a little help from the community. So a little history, 2 years ago, I had a small cam installed in my 06 GTO LS2 A4....

I'm running VCM scanner on a HP laptop, MPVI3 Win10, Core [email protected], 6gb ram(about 2.2gb free), not "protectsmart" equipped, otherwise a great unit,...