Activity Stream

I have a C4 I put a 5.3 in. It will not start. When I connect with VCM Scanner, I see an RPM signal but under channels fuel system #1 status is "not...

Hello, I purchased a Texas speed stage 3 high lift camshaft, on my 2004 chevy 1500hd 6.0 and am interested in a good tune. Fired truck up and it...

im getting knock around 72kpa @ 4000 to 4400 rpm from 3 to 8 . i cant hear no pinging at all. could my headers or exhaust pipe be rubbing some where...

Ok awhile back a customer brought me this challenger i thought some major engine issues, has a comp stage 2 cam, and hellcat blower swap, he had...

Hey Guys, I could really use some guidance I AM NEW. I?ve got a stock 5.3L swapped into my G35 with just long tube headers for mods. I was working on...

I need help i recently cam my truck with a chopacabra cam. The bottom end is bone stock and in pristine shape leak down test 5% and down on all 8,...

03 chevrolet silverado 5.3 gen 3 with long tube headers and 4" exhaust. stage 4 truck cam v2 prc heads i recently removed the supercharger that...

have a 2007 ly5 with a fresh BTR cam (truck norris) and valvetrain, long tubes, otherwise stock. Fighting an extremely high idle issue. Engine...

I put a Vette servo in my daily driver a 2004 GMC Sierra. Stock truck. I wanted to do the Vette servo after reading about it being a good upgrade...

Hello, I'm new to tuning and working through my first custom 93 octane tune on a 2022 Mustang GT (Gen 3 Coyote, 10R80). I'm using HP Tuners MPVI3...

I posted this in general and was advised to try posting it here. Don't beat me up too bad. I have a 68 Chevy C10 with a Gen3 4.8 in it. I wanted...

Hi, I have a 06 hummer h2 with twin turbos and when I go over like 10psi the throttle body slams shut. It throws a P0068 code when it does it and I...

Ok fellas, I have heard about the itch you get after your first mod to your car but right now I wish I had never even scratched it. I bought this...

Just installed 243 heads and BTR Cam. I know the car may not make power all the way to 7k RPM but I am kind of stumped on what limiter I am missing....

Hello all, I am looking for a little guidance for trouble shooting a potential problem. I have been trying to hunt this issue down and I am...

Good morning, I have searched through several posts before doing mine own for help, but nothing has been successful so far. We have a Gen IV 5.3 LS...

I recently put together a LQ4 to replace the blown up LS1 in my 2002 WS6. Stock LQ4 block and crank Scat rods Wiseco -3.2cc flat top pistons...

I have a stock, untuned 2010 Escalade 6.2. I've been battling an on and off issue with it running like shit, backfiring, dumping fuel etc. I was...

hello everyone, I went to start my car and when I turned the key my fuel pump did not prime... I immediately thought that was odd. when I tried to...

Does any of the polaris sxs have a low speed limiter in Low. Looking to see if the settings are similar to cfmoto.

Good afternoon, first post here looking for some direction. 2007 Escalade 6.2 w/6L80E, standalone OEM harness, OEM computer. Sitting in a frame...

Hi guys, I have a L94 engine that has been setup like a LS3. LS3 MAP Sensor, LS7 MAF sensor. LS3 Intake & fuel rail, L94 50lb/hr injectors, L94...

Tune and Log are attached Thankyou

Issue with a start and die issue on my 2010 Camaro SS with Whipple and Cam. New TB, Pedal, ZL1 FP, 1050 Injectors, IAP, MAP, O2 Sensors. MAF is...

Hi everyone, I'm chasing two issues with my 5.3L Avalanche and could use some experienced eyes on this. Tune and log files are attached. Any help...

Hello, I have an NSRT4. I've noticed that if I change the throttle body airflow map that it appears to correlate with the Total Airflow pid....

So I am trying to get some clarification on the EOIT adder "Normal Ect". I have tuned it to the most "rich" setting, and it is running great...but...

18 zl1 here with all the bolt ons. Running a hefty amount of meth injection (48gpm) and on pump gas. what should my AFRs be and how much timing can i...

I replaced broken exhaust manifold with long tube header and Cold Air Intake. Had no idea that I was about to fall into programming land. Truck runs...

Hey All, I've got an LS1 with cnc ported 241 heads, a VCM710 cam and 4L60E with a 3000 stall in my 85 TransAM knight rider replica (of sorts). ...