Activity Stream

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...

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...

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...

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...

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...

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...

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'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...

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...

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...

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...

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...

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,...

My first boost tune... not sure if im posting in the right place. my truck is an 04 2500hd tvs r1900 blower off of a 5.0 jaguar f type on a holley...

About to tune my first boosted Gt350. Anyone have any good advice? Customer added a Whipple and wants a 93 tune and an E85 tune. I've done a bunch...