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...

05 C6 LS2 with a summit 8707 cam. 226-238 600-600 113+3 6spd. I have stared at this for over an hour. I do not know what to do! LOL Having...

hi folks, this is a log of an unknown engine (5.3) that was brought in. please look at the o2s on the attached log the mv dont move. does this...

I have a 95 obs c1500 Ls swapped with 1252013 operating system. I?m needing a segment that will match for my transmission. I?ve looked everywhere...

I have a 2006 silverado 1500HD that had a 6.0 ls that i blew up and swapped with a lm7 5.3 with a texas speed chopocobra cam with 862 heads. whole...

yes i moved things around please look at if i did things wrong. thanks man did they change how to write a post in here real hard to find the thread...

So new here, I have an 08 impala ss that I have cammed, intake and exhaust etc... Im running SD with the MAF properly failed, and I'm getting that...

I think that it's a given that filters prevent undesirable data from polluting error percentages used to update the MAF Calibration tables and the...

2017 Sierra, 5.3 Gen V. New engine installed last week, 5.3 built bottom end BTR Phase 1 PDS cam, Locked out, GPI ported heads, LT4 Injectors and...

anyone running open loop 100% of the time? i like the idea of me telling the car the AFR i want all the time vs relying on the o2 sensors... its kind...

I recently swapped in a 411 PCM in my 96 LT1 FBody. Car ran before the PCM swap, but won't fire after. I confirmed wiring is correct, injectors, and...

Just curious how much advance you guys are running on your hemi 6.1 based 426 only running about 20 degrees at WOT cuz im scared :hi:

Hi all, I've got a 3.6 vehicle I'd like to meddle with. Been reading a lot about the engine and I have some quite good reference tips from various...

Anyone having luck tuning the btr hemi cams with missing cam specs with vvt?

Hi guys, Swapped an LQ9 (that i dropped LQ4 pistons in) and a 4L80E into an old 88 G20 and I can get the engine to fire briefly, but immediately...

What are you guys doing for this data , shown, setting up some fic1200, and there really isnt any info on here for the changes that need to be made...

2013 GMC Yukon 5.3 engine 6l80 transmission 3.08 gear ratio 4x4 STOCK So I've been having issues with tuning this Yukon I've tried several...

GM P01 and P59 Operating Systems for HP Tuners This document outlines the operating systems (OSes) for GM P01 and P59 Powertrain Control Modules...

After thousands of hours of reading these forums over the last year, I am finally posting for the first time. Try to go easy on me... I'm having a...

Hello, I have a Factory Five swapped vehicle with Coyote swap that is breaking up at 3.5k rpm at Wot. Fueling looks in the ballpark, ignition timing...

As most of you know, I have been fighting smoke for a long time. Just hooked up scanner to see whats going on again because smoke is worse now that...

New Thread- Im looking to scale some 1750-XDS on my e40 PCM Boosted Setup. I previously had 1050X Injectors that were Double Stoiched, Halved IVT...

Hi, just joined. Need some advice. I built a Factory Five 33 hotrod with a new Gen 4 LS3 engine. I bought the engine from GM Connector and Cruise...

Evening, I am in need of some help. I have on 05 Silverado ext cab 5.3 lm7. I recently completed the fabrication and installation of all supporting...

I have a Fiero with an LS4 mated to an F40 transmission using an E67/TCM. The known problem i have is the speed being wrong and locked at 158mph....

Good afternoon so my 07 suburban with the 5.3 flex fuel decided to take a dump on my wife otw back from michigan gave me a great time to pull it...

My '05 Suburban 2500 (6.0/4.10s) is used as an occasional tow vehicle about a half dozen times a year. I pull a car on a trailer with tools and...

2017 ram 1500 hemi sport 6 speed, that's how they came in mexico, 8 speed swap with the stock pcm and modified file from German sound automotive...

I just finished up a LS swap 07 Denali l92 into a 1985 k20. Has a BTR red hot cam, VVT and DOD delete. Stock computer. Idk if there is something in...

Swapping out an old GM Cam for a New cam: OLD Cam: Duration 204/213 Lift 0.520/0.521 LSA 116 NEW Cam: Duration 214/220 Lift...