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So I have a 07 silverado classic at WOT it does not go into pe or the correct eq ratio. I've set tps enable as low as 40% no delay enrichment rate to 1.5 , all enable stuff is satisfied. BUT pedal...

Look I know it's hard to believe that I don't bring my computer home, it stays with my dyno, I'm certain it's not in the tune, and so is everyone that picked it apart already, the question was, if...

So we've been over that, gap, different sensors. It is so consistent I'm sure the ecu is commanding it but when it starts we lose data for 1-2 seconds when it does it so we can't see the dropped...

So do some pcms have rpm limitations?here's my problem, 2005 silverado, ls3 based stroker, nice build. 24x, 13:1, e85..... Anyway all our rpm limits are set to 10,000, speed limits 200. We hit a rev...

Gonna change the sensor and measure endplay.

So first a rundown of the build....
2005 silverado 2500 street/pulling truck.
416 inch, 823 heads, 13:1, btr custom cam, 24x crank, 1x cam, drive by wire 87 mm with x link, e85, 100 lb injectors, ...

So my name is Garry, I've been using HP tuners for almost 10 years, I've been building cars for longer and have made a career out of it. So I have a request to anyone listening. I have found that the...

So, this is my first supercharged c7, I've done tons of gen3 and 4 turbo/supercharged tunes but this one got me stressed. Manual trans, 6-7 psi, cam (don't know specs) car runs awsome on the dyno...

Thanks 5FDP, this is stuff the classes I've taken never covered. I agreed to help on this one to learn and I'm definitely learning a lot. Thanks for the advice.

so a friend stopped by a few weeks ago and wanted me to look at his car , its a C6 Corvette with a rear mount turbo. its a 6 speed car. so we log some data everything looks OK. then he has an...

Ok i am not the first one to tune this vehicle im just trying to fix it. its a 2009 silverado,5.3, e38 , 12630501 OS. truck has a btr stage 3 turbo cam and an On 3 Performance turbo kit with 7 psi...

So I bought an LM2 wideband, but when I select the lm2 transform and log data it doesnt give the same reading as the handheld unit. I've went into the LM programmer software and check the output...

Guy just called asking about tuning his 2005 s10 with a 4.3 v6. The supported list only shows up to 04.i just wanna double check that the list is accurate and it's not supported. Thanks

The other day I was tuning a friends car, so I went to the website, bought 2 credits, and when i went to license it it gave me the option of licensing his pcm or unlimited credits for "ls based v8...

ok e38 pcm 12617631 OS. this is a truck 6.2 l92 i think, guy bought a pcm from somewhere flashed with a 2010 corvette calibration. 6 speed swapped in a 65 gto. first problem is after a WOT pull, rev...

ok so my friend bought a harness and pcm from gm performance. its a e67 pcm with a 12638778 OS. engine is a 6.2 from a truck with the throttlebody and pedal from the truck. its been in the car...