- 2005 Custom OS3 in a 2006 Truck? (5 replies)
- 07 suburban (3 replies)
- Tuning idle transition with OS5 (1 replies)
- 2Bar OS and Readiness Tests (2 replies)
- Returning and starting tuning in Semi open loop SD mode (10 replies)
- Tuning a 8TB manifold 383 with big cam (32 replies)
- Custom OS to OS#5 (11 replies)
- Car Dies With A/C On (5 replies)
- Os#12605114 (1 replies)
- Custom OS B6619 (1 replies)
- upgrading OS3 to OS5 using Roadrunner (8 replies)
- Question on logging AFR (8 replies)
- b4205 and b4108 settings after cust OS tutorial (0 replies)
- Feature Request: Tip-in enrichment (5 replies)
- Multiple problems after '03 Custom OS upgrade on truck (3 replies)
- STFTs very rich after Custom OS tutorial (6 replies)
- would this be hard (9 replies)
- SD tune (3 replies)
- IAT VE Multiplier - multiplies Boost VE tables also? (1 replies)
- custom os back to stock (5 replies)
- Custom OS B5956 (1 replies)
- Replacing MAP 2002 Vette (1 replies)
- can you hlp me plsss ??? (4 replies)
- setting ve tables (1 replies)
- Tune in SD or with the MAF (4 replies)
- Maf and custom op. sys. 3 (22 replies)
- Personal vs Commercial (1 replies)
- Spark Boost retard table (4 replies)
- Long Term Trims (15 replies)
- Custom OS#5 (363 replies)
- Table Names vs Table Number (0 replies)
- HP tuner inhanced SD vs efi live. (22 replies)
- Nitrous Survey (6 replies)
- custom os and nitrous (9 replies)
- looking for big help with tuning an extremely large cam in my ls1 (1 replies)
- Spark modifier, any use? (3 replies)
- Question about Speed Density and dual spark map (9 replies)
- custom operating system for 2002 avalanch 12216125 ecm (1 replies)
- Installing Custom OS (1 replies)
- 98 2 bar custom OS (5 replies)
- Valet mode finally (41 replies)
- Valet Mode (6 replies)
- Build Boost While Staging (6 replies)
- Show me your A0014's (60 replies)
- Question about semi-open loop and boost/meth (9 replies)
- Custom OS 4 and 5 (6 replies)
- any boosted corvette A4 guy here? (0 replies)
- next custom os release (external switch...) (7 replies)
- Not entering PE Mode (5 replies)
- 98 PCM options (7 replies)
- Custom O.S V5 gets a run (7 replies)
- can anyone please help me out with tuning...? (2 replies)
- B3641's usefulness with New Operating System (1 replies)
- has anyone had vtd problems after bench flash of costom os (1 replies)
- Tow / Haul (1 replies)
- Open Loop Fuel Economy Results (12 replies)
- Can someone explain why the '01 and '02 ls1s are better? (4 replies)
- New to Custom OS's (16 replies)
- 2step Timing Based vs Fuel (6 replies)
- Strangeness with open loop idle lean limit (B3607) (4 replies)
- idle fuel efficiency? (3 replies)
- Hmmm. Boost VE and 2nd fuel pump on a Hobbs (7 replies)
- Help with IAT issues in SD, Open Loop (6 replies)
- Semi-Open Loop Vs Just Open Loop (16 replies)
- going Custom OS (4 replies)
- Open Loop VE IAT Multiplier Values (16 replies)
- COS#3 ... Max MAP = 105kpa in the scanner? (22 replies)
- Does this make sense? (4 replies)
- OS3 installed (4 replies)
- gm os to custom os (25 replies)
- Duramax tuners, see here... (0 replies)
- speed density (1 replies)
- gen 1 motor with gen 3 ecu (2 replies)
- upgrade OS?? (3 replies)
- ecm pin outs (1 replies)
- EQ or AFR (1 replies)
- Progress on Cust OS w/E85 issues? (5 replies)
- Still problems with B3647 in OS3 (22 replies)
- Finally have the truck back... New COS #3, one problem (8 replies)
- I got it... Opps I aint got it... (17 replies)
- How do the .cals tie in with the .tun files? (2 replies)
- Re: going to S/D tune O/S on a 99 PCM (10 replies)
- RePost (25 replies)
- First Thread (3 replies)