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Older Activity
1 Minute Ago
blindsquirrel
replied to a thread
12613412 injector data for Gen III, refined version
in
GM V8 Tuning - Engine, Gas (Gen 3)
Oh, stupid me - of course it's not a 1:1 regulator, otherwise the flow rate & offset tables would be flat from left to right, not sloped.
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46 replies | 7767 view(s)
1 Minute Ago
edcmat-l1
replied to a thread
LS7 (C6Z) Idle Re learn
in
GM V8 Tuning - Engine, Gas (Gen 4)
This should have most of what you'll need to diagnose it.
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5 replies | 10 view(s)
5 Minutes Ago
Morgan Arnham
replied to a thread
PE Command value vs actual wideband values
in
GM V8 Tuning - Engine, Gas (Gen 4)
Yes i know that eq value is 1.250 and that is 0.78 ish lambda. Problem is that i only see 0.86 at wot, and in the log the lambda cmd value is 0.78...
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2 replies | 0 view(s)
7 Minutes Ago
gtstorey
replied to a thread
12613412 injector data for Gen III, refined version
in
GM V8 Tuning - Engine, Gas (Gen 3)
He isn't saying the flow rate isn't important, it's just not any more important than the others setting, but everyone always jumps directly into flow...
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46 replies | 7767 view(s)
8 Minutes Ago
blindsquirrel
replied to a thread
12613412 injector data for Gen III, refined version
in
GM V8 Tuning - Engine, Gas (Gen 3)
Flow rate by itself is pretty meaningless. Errors there are easily compensated by more/less in the MAF table. Who cares! The other data that isn't...
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46 replies | 7767 view(s)
8 Minutes Ago
joe0121
replied to a thread
LS7 (C6Z) Idle Re learn
in
GM V8 Tuning - Engine, Gas (Gen 4)
Well, The brake booster hose is on but I do have a fast lxr intake and I forgot to re apply RTV at the place where the gasket between the two shell...
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5 replies | 10 view(s)
13 Minutes Ago
STAGEUP
replied to a thread
4l80E shifting before the commaned
in
GM V8 Tuning - Transmission
So,,, how'd it go?
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7 replies | 120 view(s)
20 Minutes Ago
Alvin
replied to a thread
PE Command value vs actual wideband values
in
GM V8 Tuning - Engine, Gas (Gen 4)
The difference you are seeing is lamnda vs eq ratio. They are inverted. So 1/lambda = eq.
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2 replies | 0 view(s)
22 Minutes Ago
Morgan Arnham
started a thread
PE Command value vs actual wideband values
in
GM V8 Tuning - Engine, Gas (Gen 4)
Hi. i have a complete stock Zl1 5th gen easy summer driven 6200 miles. im going to put in a cold air intake in a few weeks, so i put in my...
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2 replies | 0 view(s)
22 Minutes Ago
blindsquirrel
replied to a thread
Pls help, first tuning attempts
in
GM V8 Tuning - Engine, Gas (Gen 3)
You check the fuel pressure with a mechanical gauge that you screw onto the little test port on the fuel rail. There is no fuel pressure sensor.
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6 replies | 95 view(s)
23 Minutes Ago
blindsquirrel
replied to a thread
Pls help, first tuning attempts
in
GM V8 Tuning - Engine, Gas (Gen 3)
https://forum.hptuners.com/attachment.php?attachmentid=142573&d=1707139116
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6 replies | 95 view(s)
25 Minutes Ago
Morgan Arnham
replied to a thread
PE Command value vs actual wideband values
in
GM V8 Tuning - Engine, Gas (Gen 5)
Yes, totaly stock never modified, Ok i move the thread.
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2 replies | 11 view(s)
26 Minutes Ago
Zackary027
replied to a thread
2004 4.8 ls swap issues
in
GM V8 Tuning - Engine, Gas (Gen 3)
I may not have reset the codes after i unplugged it, While troubleshooting it i unplugged the maf to see if it was causing the issue. I did plug it...
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6 replies | 124 view(s)
29 Minutes Ago
edcmat-l1
replied to a thread
LS7 (C6Z) Idle Re learn
in
GM V8 Tuning - Engine, Gas (Gen 4)
You don't need to drive it. Just fire it up and let it idle. Post a data log and the tune file. My bet is you have a huge vacuum leak like the...
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5 replies | 10 view(s)
34 Minutes Ago
TriPinTaZ
replied to a thread
PE Command value vs actual wideband values
in
GM V8 Tuning - Engine, Gas (Gen 5)
This belongs in the Gen 4 Forum, Gen V is Gen V ECU's which are in 2016+ Camaro's, 2014+ Corvettes etc. Anyhow, is the car bone stock? Stock...
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2 replies | 11 view(s)
48 Minutes Ago
joe0121
replied to a thread
LS7 (C6Z) Idle Re learn
in
GM V8 Tuning - Engine, Gas (Gen 4)
Ill get a data log this evening I haven't driven the car that much to be honest. Ill try to get the car warmed up during lunch and take it for a...
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5 replies | 10 view(s)
49 Minutes Ago
shakenfake
replied to a thread
newbie helper rear o2 sensors delete
in
GM V8 Tuning - Engine, Gas (Gen 3)
This is a bot lol Him and Ronnie tag teaming it
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4 replies | 433 view(s)
55 Minutes Ago
edcmat-l1
replied to a thread
LS7 (C6Z) Idle Re learn
in
GM V8 Tuning - Engine, Gas (Gen 4)
It's either a bad vacuum leak or something in the toon but since you haven't posted a data log or toon file it's impossible to tell.
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5 replies | 10 view(s)
57 Minutes Ago
joe0121
started a thread
LS7 (C6Z) Idle Re learn
in
GM V8 Tuning - Engine, Gas (Gen 4)
I have an MPViV3 I recently had the heads rebuilt and after getting the car back together im getting the dreaded 1500+ RPM idle after the car warms...
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5 replies | 10 view(s)
1 Hour Ago
Custom 68
started a thread
tune check please 5.3 turbo in 68 C-10
in
GM V8 Tuning - Engine, Gas (Gen 3)
Hi all, would you give my tune a look and some suggestions if you see anything. I was fighting the lean and rich VE due to temperature changes. The...
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0 replies | 10 view(s)
1 Hour Ago
Morgan Arnham
started a thread
PE Command value vs actual wideband values
in
GM V8 Tuning - Engine, Gas (Gen 5)
Delite
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2 replies | 11 view(s)
1 Hour Ago
kmilligan
replied to a thread
Pls help, first tuning attempts
in
GM V8 Tuning - Engine, Gas (Gen 3)
I re-read my post and realized my tired brain had made it confusing lol. I tried tuning in narrowband and it didnt work out well, so i hooked up...
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6 replies | 95 view(s)
1 Hour Ago
TURBOGNX
replied to a thread
12613412 injector data for Gen III, refined version
in
GM V8 Tuning - Engine, Gas (Gen 3)
These are screenshots of the only adjustments I can make for fuel. As for a specific V8 injector, I did a search for info on flow rate for these...
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46 replies | 7767 view(s)
1 Hour Ago
kmilligan
replied to a thread
Pls help, first tuning attempts
in
GM V8 Tuning - Engine, Gas (Gen 3)
12613411 - 38lb LMG they are gen 4 Stock fuel system, stock rails and reg. return style. The injector data i had previously was for the...
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6 replies | 95 view(s)
1 Hour Ago
07GTS
replied to a thread
EQ Error line in Charts
in
GM V8 Tuning - Engine, Gas (Gen 4)
yea that looks fine, if ur getting a straighter line then that its prob just a slower acting WB
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5 replies | 106 view(s)
1 Hour Ago
blindsquirrel
replied to a thread
2004 4.8 ls swap issues
in
GM V8 Tuning - Engine, Gas (Gen 3)
Why does it have a P0102, if the MAF isn't failed in the tune?
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6 replies | 124 view(s)
1 Hour Ago
blindsquirrel
replied to a thread
12613412 injector data for Gen III, refined version
in
GM V8 Tuning - Engine, Gas (Gen 3)
I'm going to get "flow rate is the least important part of injector data" tattooed across my fking forehead. I have no idea what tables your...
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46 replies | 7767 view(s)
1 Hour Ago
Lakegoat
replied to a thread
EQ Error line in Charts
in
GM V8 Tuning - Engine, Gas (Gen 4)
LOL----You got me! I don't know anything about those formulas.
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5 replies | 106 view(s)
2 Hours Ago
romefrankie10
replied to a thread
2020 Escalade 6.2 tune
in
GM V8 Tuning - Engine, Gas (Gen 5)
Its a daily driver with 200k on it, will be driven nicely for sure. I do have the MPV tuner is there a tune I can just upload since this is a...
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2 replies | 101 view(s)
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