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Older Activity
2 Minutes Ago
Schnell
replied to a thread
Weird lean condition I can't figure out
in
Mercedes
What is your rail pressure doing when this happens?
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5 replies | 414 view(s)
20 Minutes Ago
96GS007
replied to a thread
2014-15 vs 2016+ Corvette LT1 cranking Eq Ratio
in
GM V8 Tuning - Engine, Gas (Gen 5)
I tried looking around and I go nothin' Sometimes GM is mysterious and changes things seemingly for the sake of change :shrug:
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3 replies | 127 view(s)
27 Minutes Ago
blindsquirrel
replied to a thread
Help Tuning VVE / Start and run, but not idle
in
GM V8 Tuning - Engine, Gas (Gen 4)
It'll actually be using fuel trims for your tuning, not the direct O2 voltage. LT/ST trims are how the ECM controls rich/lean when it's in closed...
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6 replies | 26 view(s)
43 Minutes Ago
LS ROB
replied to a thread
Help Tuning VVE / Start and run, but not idle
in
GM V8 Tuning - Engine, Gas (Gen 4)
That's correct. You can use the Wideband for WOT corrections, but everything else; I'd use the NB's to tune it.
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6 replies | 26 view(s)
46 Minutes Ago
Loose_Screws
replied to a thread
Help Tuning VVE / Start and run, but not idle
in
GM V8 Tuning - Engine, Gas (Gen 4)
I thought it needed to be in open loop with LT and ST trims disabled to calculate % change needed for the VVE? Now that I think about it, I...
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6 replies | 26 view(s)
49 Minutes Ago
Loose_Screws
replied to a thread
Help Tuning VVE / Start and run, but not idle
in
GM V8 Tuning - Engine, Gas (Gen 4)
Appreciate the info! I'll change dynamic disable/reenable as suggested, MIL on for all 3 DTCs and also stop logging MAF. I'm curious about...
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6 replies | 26 view(s)
50 Minutes Ago
LS ROB
replied to a thread
E38 Throttle Response Adjustments - Desired Throttle Area Table
in
GM V8 Tuning - Engine, Gas (Gen 4)
I run a manual paired with a cammed ls7 and don't have any issues clutch feathering related. I have noticed that having fueling pretty much dead on...
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16 replies | 5189 view(s)
52 Minutes Ago
Lakegoat
replied to a thread
Surge at idle after E85
in
GM V8 Tuning - Engine, Gas (Gen 4)
I am changing injectors, and will post the results. I didn't have any problems with my last car on smaller injectors.(850's) I am going to change...
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21 replies | 360 view(s)
54 Minutes Ago
LS ROB
replied to a thread
Help Tuning VVE / Start and run, but not idle
in
GM V8 Tuning - Engine, Gas (Gen 4)
According to that log, it's super lean. Are you wanting to run this in Open Loop or Closed Loop? I'd suggest turning the LT & ST trims back on and...
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6 replies | 26 view(s)
59 Minutes Ago
blindsquirrel
replied to a thread
Help Tuning VVE / Start and run, but not idle
in
GM V8 Tuning - Engine, Gas (Gen 4)
You have it switching to 'MAF-only' above 2,000 RPM. HOW TO FAIL MAF: Dynamic disable/reenable: 8,000/7,950 MAF fail high/low: 2/1 or 0/0 DTC...
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6 replies | 26 view(s)
1 Hour Ago
danmw2003
replied to a thread
E38 Throttle Response Adjustments - Desired Throttle Area Table
in
GM V8 Tuning - Engine, Gas (Gen 4)
I've found, with a manual transmission messing with this setting makes it harder to feather the clutch when taking off from a stop. I didnt like it...
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16 replies | 5189 view(s)
1 Hour Ago
Ben Charles
replied to a thread
E38 Throttle Response Adjustments - Desired Throttle Area Table
in
GM V8 Tuning - Engine, Gas (Gen 4)
Thanks for the kind words
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16 replies | 5189 view(s)
1 Hour Ago
hjtrbo
replied to a thread
6l80 2-3 Bind
in
GM V8 Tuning - Transmission
ns158sl are you all over discrete shift torque? Happy to go over it if needed.
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17 replies | 257 view(s)
1 Hour Ago
Loose_Screws
started a thread
Help Tuning VVE / Start and run, but not idle
in
GM V8 Tuning - Engine, Gas (Gen 4)
I am trying to work on VVE table and get it dialed in, but having some trouble after loading tune with revised VVE table. Car will crank perfectly,...
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6 replies | 26 view(s)
1 Hour Ago
LS ROB
replied to a thread
E38 Throttle Response Adjustments - Desired Throttle Area Table
in
GM V8 Tuning - Engine, Gas (Gen 4)
Post #9. That guy there... You NEED to get ahold of him for throttle mapping!
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16 replies | 5189 view(s)
2 Hours Ago
1JD1AX
replied to a thread
Cammed Ve Ss Manual L98
in
GM V8 Tuning - Engine, Gas (Gen 4)
hey man, these unknowns can be as fun as an ingrown toenail have a look at cut and paste, good luck.
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22 replies | 823 view(s)
2 Hours Ago
Jabootydawiz
replied to a thread
5.3 Gt45 newb
in
GM V8 Tuning - Engine, Gas (Gen 3)
IAT reached 199 degrees sheesh! Sensor is out of the 2000's 1500's trucks also fyi. Black plastic, just like the one in the relocation video....
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131 replies | 12737 view(s)
2 Hours Ago
ovrebo2
replied to a thread
LQ4 trouble idling, especially on cold starts
in
GM V8 Tuning - Engine, Gas (Gen 3)
I'm in tech support. I don't expect anything from anyone 😉
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35 replies | 576 view(s)
2 Hours Ago
gtstorey
replied to a thread
Surge at idle after E85
in
GM V8 Tuning - Engine, Gas (Gen 4)
It’s probably that controlling large injectors at low flow is difficult.
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21 replies | 360 view(s)
2 Hours Ago
gtstorey
replied to a thread
LQ4 trouble idling, especially on cold starts
in
GM V8 Tuning - Engine, Gas (Gen 3)
Just stay with the same thread. Otherwise you will expect us to remember all of the details of your build and changes.
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35 replies | 576 view(s)
3 Hours Ago
Jabootydawiz
replied to a thread
5.3 Gt45 newb
in
GM V8 Tuning - Engine, Gas (Gen 3)
pardon the delay
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131 replies | 12737 view(s)
4 Hours Ago
ovrebo2
replied to a thread
LQ4 trouble idling, especially on cold starts
in
GM V8 Tuning - Engine, Gas (Gen 3)
Here is a video walk around and shots of the motor I took a data log on the drive, but I didn't have my wideband hooked up. I'll do that next week...
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35 replies | 576 view(s)
4 Hours Ago
JLawson240
replied to a thread
Surge at idle after E85
in
GM V8 Tuning - Engine, Gas (Gen 4)
Jumping into this thread to tag along. Idle surge after switching to E85 seems to be an issue across platforms.... including my 2012 Coyote. I've...
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21 replies | 360 view(s)
4 Hours Ago
Bum454ss
replied to a thread
Startup help LM7, Truck Norris NSR, etc..
in
GM V8 Tuning - Engine, Gas (Gen 3)
WOT... Checking fuel pressure now still have 63ish at the rails it definitely acts like it's trying to start when it's wide open throttle......
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50 replies | 3147 view(s)
4 Hours Ago
trick76cj5
replied to a thread
VCT Disabled State and Spark Jumping to different MP's while WOT
in
Ford Tuning - Engine, Gas (Non Ecoboost, US)
Ok, one last data point, on my way home i got a run through 2 gears, it held until i went into 4th gear where the VCT disables while 3rd gear seemed...
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2 replies | 95 view(s)
4 Hours Ago
bk2life
replied to a thread
Startup help LM7, Truck Norris NSR, etc..
in
GM V8 Tuning - Engine, Gas (Gen 3)
this is true, but a quick WOT log shouldn't hurt anything. now pass after pass of WOT hotlapping, will probably put a hole in the piston.
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50 replies | 3147 view(s)
4 Hours Ago
GHuggins
replied to a thread
Engine breaking/DFCO or off throttle timing?
in
GM V8 Tuning - Engine, Gas (Gen 4)
You need to post the tune file, but you might be. Basically for just a gurgle while not losing all engine hold back you need to raise your...
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1 replies | 133 view(s)
4 Hours Ago
bk2life
replied to a thread
Wants to pull in gear
in
GM V8 Tuning - Engine, Gas (Gen 3)
Ok, you need to tune your VE table. So you have the vehicle set up for SD. This means no input from the MAF will tell the computer to add or...
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38 replies | 1034 view(s)
4 Hours Ago
Ben Charles
replied to a thread
Does 6l80 function safely with MAF tune only?
in
GM V8 Tuning - Engine, Gas (Gen 4)
If fueling is right typically tq is correct and trans be fine.. Few days ago tuned a c7 z06 with all the bells and whistles making over 850rwhp…...
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3 replies | 234 view(s)
4 Hours Ago
bk2life
replied to a thread
Wants to pull in gear
in
GM V8 Tuning - Engine, Gas (Gen 3)
you need fuel trims and lt and st and o2s to be on
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38 replies | 1034 view(s)
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