Activity Stream

04 silverado, 6.0 lq9 .020 over, btr stage 3 v2 truck, circle d 258mm 3400-3600, gen 4 truck intake, headers, 243 head, rpm lvl 6 60e. Still having...

Just want to say high from Wisonsin i m working on 1991 land cruiser with gen 4 5.3

Hopefully this is the right place. From my research it looks like the one used was P/N 12704477 (2 byte) or the earlier 19432266. Not being familiar...

So I'm finally getting around to attempting a drivability SD tune with my SBE LS7 that is ~700 RWHP NA at the wheels and I'm fighting a severe...

My 19,700~ mile 2010 ZR1 shows me KR almost everytime I step on the gas over a certain amount, basically it seems anything in or near boost. New...

On a vehicle with SRT drive modes, do these modes (1-7) relate to the different drive modes (Auto, Track, Sport, Snow, Tow, Eco)? I looked to se if...

i just added a new 1000cc fuel injectors, fuel regulator, and 2 bar map sensor. I also moved the iat sensor to the intake. I'm using the default...

Hi there, the vehicle in question is my 2007 suburban with a 370 and small summit stage one truck cam, its otherwise completely stock. I spent alot...

2003 gmc seirra 1500, i swap in the lm7 4l80e ptc 3800 stall truck has many mods, to many to count, truck was a stock dbc 4.3 with a 4l60e. i swap...

I have set it to lockup above 34mph period, Shift Lock is Enabled so it should stay locked during shifts, and you see it drop TCC pressure on part...

Hello all, new to tuning, trying to get my 5.3 with a cam swap running in closed loop so I can start trying to get this thing to run a bit better....

Edit: MPVI3 is on order EDIT2: Posted the tune file from my car. A bit too busy to do an extended drive right now sadly! I am LOSING my mind...

Fresh built LQ9, I got to the point of starting it yesterday and ran it for maybe 10 seconds and the gauge cluster and hp tuners read 4 psi for oil...

My Armageddon 465 LPH pump failed for the 2nd time and worked great up until the second failure. I decided to install a Walbro 525 since I was out...

I have 5.3 swap it starts but up but then it dies out within 1-2 sec it is getting fuel pressure to the rails and VATS is deleted i am not sure what...

Swapped a cam into a 6.0 lq4 and tuning has gone well so far but can?t get rid of stalling during parking situations. Is a 2500 gmc and seems like...

2019 Dodge Challenger RT Disconnected Battery. removed ECU and sent into Hptuners for unlock service. pulled OG file and sent to Hptuners. Received...

I have tuned a lot vehicles and never seen one do this before. Truck drove well on the tune I was working on then suddenly lost all throttle...

hello everyone so I've been messing around with my spark map making small changes here and there to the timing on the top end. I am running 4.0 that...

I've been working on tuning my 2000 GMC L29 7.4/454 black box (BB). I know the BB is extremely simplified and limited, but I'm using the chance to...

Good Morning, First, I'll start by saying I'm a long time lurker, first time poster. Also, I am NOT a professional when it comes to tuning...

Have searched all threads similar to my situation and not finding solution. When @ operating temp and shifting into gear or coming to a complete...

Hello to anyone who cares to read this post. Ive been tuning my car for years now always making small improvements and testing and reverting when...

I was able to get it too idle now to ve tunning but can't seem to get it to make a difference also played with start up inj plse heres a couple...

Novice tuner*** I got a couple problems going on with my car. First off, when hitting the gas peddle, the car wants to immediately die and I have...

Long time lurker, first time poster here and need some help finding what limiter is stopping me from getting full fuel. I feel like I've tried...

Having an issue with the ignition timing doing its own thing and unsure of the issue. I've included the current tune on the truck and a log with the...

Small backstory car has been running great before my recent adventures. Engine is a 408, PRC heads, ~11.25:1 compression, high ram intake, NW 103...

I am trying to help out a friend with tuning on his 2010 Camaro with a 7.0L LS, Procharger and ID1700Xs. It is currently on 93 but plans on running...

Help! I am a beginner with engine tuning. I blame my grandson for this project. It started with putting a 2004 silverado 4.8 and 5 speed manual in a...