Activity Stream - HP Tuners Bulletin Board

From 1st glance, there's a big gap between pedal position and throttle position. At the top of the WOT pull, pedal shows 99% while throttle is only...

1 replies | 26 view(s)

1 Hour Ago

acdc-angus started a thread Opposite LTFT bank 1 & 2 Idle and low part throttle in GM V8 Tuning - Engine, Gas (Gen 3)

Hi, I recently swapped my LS1 for a 383ci stroker. All sensors and gasket are brand new, except for the MAP sensor, which I reused since it was...

2 replies | 23 view(s)

1 Hour Ago

gametech replied to a thread New to all this. 99 ls1 upgrades need more help in GM V8 Tuning - Engine, Gas (Gen 3)

My psychic is off work this weekend, so I have no idea what your tune or log files look like.

2 replies | 33 view(s)

1 Hour Ago

FrankenStrong started a thread 08 Envoy Base Tune and Log Review in GM V8 Tuning - Engine, Gas (Gen 4)

Submitting for review by the group. 08 Envoy 5.3 4l60e, 3.73 lsd CAI, dump after factory y-pipe. Base tune with DOD turned off, torque...

1 replies | 26 view(s)

2 Hours Ago

kcarruth25 replied to a thread Gen IV LS Swap E38 ECM P2122 and P2138 DTC - limp mode in GM V8 Tuning - Engine, Gas (Gen 4)

Thank you for all of this! After hours of troubleshooting with PSI, we did discover that the brand new pedal was bad right out of the box....

15 replies | 297 view(s)

2 Hours Ago

veeefour replied to a thread LTFT seems to not respond to VE changes in Dodge Tuning - Engine, Gas

Correct, for some models VE is not working at idle

9 replies | 269 view(s)

2 Hours Ago

stingray22 replied to a thread about flex fuel kti for corvette c8 in GM V8 Tuning - Engine, Gas (Gen 5)

Just tested pin 6 and found it had 12 volts on it. Also the wire on pin6 runs across to pin 20 on the fuel pump power control module. So I don?t...

21 replies | 1394 view(s)

2 Hours Ago

1bad68ls started a thread Crank Fueling - Question on "Right" Timer in GM V8 Tuning - Engine, Gas (Gen 4)

I am working on my crank times for cold starts at higher temps. My cold start crank times are < 0.7seconds at ambient temp of 70F and lower, however...

0 replies | 21 view(s)

2 Hours Ago

Taviewavie517 started a thread hitting rev limiter before shifting into gear at wot in GM V8 Tuning - Engine, Gas (Gen 3)

6.0 lq4 stock engine stock transmission 4l80e when driving it surges between gears until you give it more throttle and when going wot i hit the...

0 replies | 16 view(s)

2 Hours Ago

Jim P 2.0 replied to a thread 2018 ram trying to pull stock file in Dodge Tuning - Engine, Diesel

You just have to use beta version

1 replies | 38 view(s)

3 Hours Ago

mychevyisntheavy started a thread knock real or false in GM V8 Tuning - Engine, Gas (Gen 3)

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...

0 replies | 17 view(s)

3 Hours Ago

danieltexpd replied to a thread OBS 5.3 Tune help....very low speed idle surge in GM V8 Tuning - Engine, Gas (Gen 3)

Thanks for the reply. Injectors are 32lb LS2 injectors from what I gathered from a cross reference. I'll do some research on how to adjust tables...

4 replies | 66 view(s)

3 Hours Ago

stilts started a thread No start, low fuel pressure after cam swap. in GM V8 Tuning - Engine, Gas (Gen 5)

Hi All, I just did a cam swap on my 2018 CTS-V with the LT4 but can't get it to start and need a sanity check. Cam is the BTR Gen V stage 1...

0 replies | 18 view(s)

4 Hours Ago

JARWyoming started a thread 2010 Traverse P0420 Codes in VCM Editor

Good morning, Still really new to the forum, if this information is already out there, I'm sorry if i missed it. Looking through some of the...

0 replies | 17 view(s)

4 Hours Ago

Tbranella replied to a thread Mg1 unlock in BRP

difference doesn't matter, when I asked the question, HP Tuners told me to select "stock" calibration. if you want to know the difference, then...

5 replies | 155 view(s)

4 Hours Ago

C5Z06TwinTurb started a thread Review tune C5 Z06 P01 in GM V8 Tuning - Engine, Gas (Gen 3)

Hey guys 02 C5 Z06 408 stroker, twin rear mounted turbos, cam, racetronix fuel kit & adjustable FPR, Kenny Bell BAP, meth injected at 3 psi boost. I...

0 replies | 23 view(s)

7 Hours Ago

f.creek-ranch replied to a thread LTFT seems to not respond to VE changes in Dodge Tuning - Engine, Gas

Maybe it’s simple… This time, there is no table f?r idle fueling in HPT. You can not change the fueling in P/N - only in D

9 replies | 269 view(s)

9 Hours Ago

f.creek-ranch replied to a thread LTFT seems to not respond to VE changes in Dodge Tuning - Engine, Gas

Maybe it’s simple… This time, there is no table f?r idle fueling in HPT. You can not change the fueling in P/N - only in D

9 replies | 269 view(s)

11 Hours Ago

dra123 replied to a thread E38/T43 TCC Brake signal issues in GM V8 Tuning - Engine, Gas (Gen 4)

Did you ever get the brake switch figured out? I've got same problem staying latched in yes or no which ever way it was when vehicle started. I have...

10 replies | 2250 view(s)

11 Hours Ago

banconas105.3 replied to a thread need help with dynamic air tuning in GM V8 Tuning - Engine, Gas (Gen 4)

Cringer thanks for the reply i could really use ur help. ok so ive gotten the maf that close but not with the dynamic air math in the scanner ive...

4 replies | 169 view(s)

12 Hours Ago

Fast4.7 replied to a thread Ls 0411 pcm l31 vortec swap wot value dosent work in GM V8 Tuning - Engine, Gas (Gen 3)

Set the WOT MPH like 10 mph lower then use WOT RPM to control the start of the shift. GM had a TSB for the VSS on the early Vortec GMT400 trucks...

1 replies | 63 view(s)

13 Hours Ago

Cringer replied to a thread need help with dynamic air tuning in GM V8 Tuning - Engine, Gas (Gen 4)

Your MAF is really close. VVE is still quite rich. The good news is that your VVE shape is really well done. No harsh zone transitions and overall...

4 replies | 169 view(s)

13 Hours Ago

001tuner replied to a thread 03 Chevy Silverado 5.3 stage 4 truck cam v2 help in GM V8 Tuning - Engine, Gas (Gen 3)

Understood, thank you.

32 replies | 498 view(s)

13 Hours Ago

RkgLS1 started a thread New to all this. 99 ls1 upgrades need more help in GM V8 Tuning - Engine, Gas (Gen 3)

I have a 1999 ls1. Was all stock. Swapped into a 1987 camaro. Had some pcm changes 10 years ago. Shut off VATs, post Os, EGR other small stuff. I...

2 replies | 33 view(s)

13 Hours Ago

1 old guy replied to a thread P59 swap for DBW to DBC in GM V8 Tuning - Engine, Gas (Gen 3)

I've ordered a P59 1262801 with HDW 12589161 (hopefully that will work). As soon as it gets here I'll update my post and go from there. The segment...

7 replies | 206 view(s)