Hi everyone!
Alright, put a smaller camshaft in my C6Z06 because i didnt like the big one i used to have
Back at trying to tune this one myself, while learing new things every day.
Specs
Ls7 @ 11.5:1 (8.62:1 DCR)
230/246 .634 115+4 LSA (very similar to a BTR stage 2 LS7 cam). 8 degree overlap
Heads cleaned about 0.010
Tr6 plugs @ 0.040 gap
Fast 102 intake, 92mm TB
Stock injectors
1 7/8 headers, with cats
WB installed in one of the headers
Monster LTS-1 twin clutch during break-in.
I started with turning my current tune more into what a stock C6Z06 LS7 tune looks like. I've had multiple tuners and myself do all different things to the last tune I had in the car to tame the old camshaft. Time for a fresh start.
I have not done any WOT pulls to reach higher MAF frequencies due to 500 mile break in period of the new clutch. Figured id start with getting idle and low load fuel dialed in first
MAF tuning
Dialed in MAF using STFT only, then tried OL tuning with WB. Corrected fuel to be within 2%. See attached log. Dont know why its commanding less than Llambda 1, I?ve looked for a correction factor but havent found the right one.
When i turn CL running back on, STFT?s say im 2-4% lean, even with WB saying pretty much 0%
False lean due to overlap? Or is STFT not to trust depending on gear?
VVE Tuning
Tried running OL during VE tuning. It had me remove +10% fuel multiple times from the low load sections. Even with ?multiply by %?, after the 3rd time, it didn't feel right. Am I entering OL Tuning the correct way?
Car is in pure MAF mode right now.
Car fires up alright, but bucks or acts jerky on low load throttle. No difference if I run 24 deg timing in HIGH/LOW OCT table, or 35 deg. 35 deg definitely makes the car feel alot more alive.
When tuning in OL, this phenomenon seems to dissapear almost completely.
Attached 3 logs and 1 tune file which i base the OL MAF and VE tuning on
Really appreciate all the help and info available on these forums!
Thanks!