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9 Minutes Ago

gtstorey replied to a thread Gen IV LS Swap E38 ECM P2122 and P2138 DTC - limp mode in GM V8 Tuning - Engine, Gas (Gen 4)

The odds of getting good injectors on Amazon are probably less than 50-50. It would not surprise me if it’s not more like 10% good.

17 replies | 322 view(s)

27 Minutes Ago

DRTWRK replied to a thread 6L80E Trans Torque Management - How to Reduce Duration of Timing Profile? in GM V8 Tuning - Transmission

Finally able to upload a log. Look at the time at 10:04:466-time, shift is between 3rd and 4th. My concern is the time duration of torque...

10 replies | 236 view(s)

44 Minutes Ago

kcarruth25 replied to a thread Gen IV LS Swap E38 ECM P2122 and P2138 DTC - limp mode in GM V8 Tuning - Engine, Gas (Gen 4)

After talking with the customer, they are Amazon injectors. Anyone had any good luck with these or do you think its the culprit? Injectors he bought...

17 replies | 322 view(s)

1 Hour Ago

bk2life replied to a thread Long term Trim vs AFR Error table in GM V8 Tuning - Engine, Gas (Gen 3)

post your tune as well. log shows 50% of the issue and the tune sows the other 50%

1 replies | 31 view(s)

1 Hour Ago

[email protected] started a thread Long term Trim vs AFR Error table in GM V8 Tuning - Engine, Gas (Gen 3)

I'm trying to understand if I have a problem. I Look at my long term trims and they are showing +20 across the board which would make me think I'm...

1 replies | 31 view(s)

1 Hour Ago

DaveNY started a thread Displaying an MVPI input in a chart. in VCM Scanner

I am pulling dual widebands into my channels using the MVPI3 red and blue inputs. transforming it to E85 EQ ratio. no problems there, data is reading...

0 replies | 15 view(s)

1 Hour Ago

RDF1 replied to a thread 4L80E operational questions. in GM V8 Tuning - Transmission

1. The torque converter must unlock to up/down shift, yes? I am 99.9% sure the answer is yes......... It doesnt "have" to unlock but if its locked...

1 replies | 24 view(s)

1 Hour Ago

DaveNY replied to a thread PLX SM-AFR Wideband to VCM Scanner in VCM Scanner

Simply add channel and choose the external input MVPVI3 input 1 (red wire). then right click on the added channel and chose transform. select the PLX...

1 replies | 55 view(s)

1 Hour Ago

RDF1 replied to a thread Stock LQ4 Power Enrichment Tuning help in GM V8 Tuning - Engine, Gas (Gen 3)

Yea if its showing knock on 93 octane you have a issue somewhere. And even some AC Delco knock sensors have issues. the generic ones for sure never...

5 replies | 67 view(s)

2 Hours Ago

al.honeggar replied to a thread Stock LQ4 Power Enrichment Tuning help in GM V8 Tuning - Engine, Gas (Gen 3)

Looks like it is still showing knock. I can't hear anything, but the CAI, so I am not sure if it is real or not. Beginning to think that it is a KS...

5 replies | 67 view(s)

2 Hours Ago

Stalker L-67 started a thread 4L80E operational questions. in GM V8 Tuning - Transmission

First post in ~15 years! Stock 6.0/4L80E in a 2002 Blazer and a daily driver. Looking for MPG and I have read most of the posts referencing this....

1 replies | 24 view(s)

2 Hours Ago

Superlite replied to a thread Spark Tables for New Cam in GM V8 Tuning - Engine, Gas (Gen 4)

Simple enough. Ill give it a shot.

2 replies | 127 view(s)

2 Hours Ago

C5Z06TwinTurb replied to a thread Review tune C5 Z06 P01 in GM V8 Tuning - Engine, Gas (Gen 3)

Hey guys 02 C5 Z06 408 stroker, twin rear mounted turbos, cam, racetronix fuel kit & adjustable FPR, Kenny Bell BAP, meth injected at 3 psi boost. I...

1 replies | 53 view(s)

2 Hours Ago

al.honeggar replied to a thread Stock LQ4 Power Enrichment Tuning help in GM V8 Tuning - Engine, Gas (Gen 3)

Thanks, I'll give this a try. I replaced the KS, but I did put generic ones (should have went with AC delco, I know). I was getting a bank 2...

5 replies | 67 view(s)

3 Hours Ago

Stalker L-67 replied to a thread Introduce yourselves here.. in Lounge

I am here to learn about 4L80E tuning for MPG, and have lots of questions. I have already scoured posts and have a nice list of things to change,...

2455 replies | 2121248 view(s)

3 Hours Ago

RDF1 replied to a thread Stock LQ4 Power Enrichment Tuning help in GM V8 Tuning - Engine, Gas (Gen 3)

I copied over some the settings from my 2500HD. See if it makes a difference. Also do you have a Wideband? It shouldnt have any KR with 93 octane. ...

5 replies | 67 view(s)

3 Hours Ago

engineermike replied to a thread PFI Injector Maximum Pulse in Ford Tuning - Engine, Gas (Non Ecoboost, US)

Unfortunately, this stuff is buried pretty deep in the data. Early on, we noticed that Whipple had more window than stock and Roush so my buddy,...

21 replies | 4326 view(s)

3 Hours Ago

engineermike replied to a thread PFI Injector Maximum Pulse in Ford Tuning - Engine, Gas (Non Ecoboost, US)

No, it's a vcmscanner log.

21 replies | 4326 view(s)

3 Hours Ago

RDF1 replied to a thread Help adjusting lean condition - 5.3L M122 in GM V8 Tuning - Engine, Gas (Gen 3)

That looks like a cheap Chinese throttle body. When it was idling, was the idle set screw adjusted all the way out to close the TB? What is the...

6 replies | 129 view(s)

3 Hours Ago

Alex14SS replied to a thread Stock LQ4 Power Enrichment Tuning help in GM V8 Tuning - Engine, Gas (Gen 3)

From what I’m seeing in your log, all of the knock spikes are confined to the 2 700–3 000 RPM window and only occur when Power Enrichment fires even...

5 replies | 67 view(s)

3 Hours Ago

RDF1 replied to a thread OBS 5.3 Tune help....very low speed idle surge in GM V8 Tuning - Engine, Gas (Gen 3)

So what is the injector part number? If it is 12569113 Car LS2 injectors then the data is way off. There is also a truck LS2 injector 19421333...

5 replies | 104 view(s)

3 Hours Ago

danieltexpd replied to a thread VCM Scanner Wideband Readings Fluctuate Very Rapidly in GM V8 Tuning - Engine, Gas (Gen 3)

I'm having the same issue... Wired correctly...Gauge reads great, but I can't make heads or tails of the scanner reading either.... I have an AEM...

1 replies | 55 view(s)

3 Hours Ago

Alex14SS replied to a thread 08 Envoy Base Tune and Log Review in GM V8 Tuning - Engine, Gas (Gen 4)

Remove Burst Knock completetly and remove torque management out as well completely all torque management needs to be 6041 at cap and make your ...

2 replies | 76 view(s)

4 Hours Ago

al.honeggar started a thread Stock LQ4 Power Enrichment Tuning help in GM V8 Tuning - Engine, Gas (Gen 3)

First time diving into HP Tuners, but I have looked around pretty significantly and made adjustments based on what I have read in the forums and help...

5 replies | 67 view(s)

4 Hours Ago

63chevytuner replied to a thread Help adjusting lean condition - 5.3L M122 in GM V8 Tuning - Engine, Gas (Gen 3)

The only leak I can find now is the shaft seal on the throttle body is missing. See the picture. I'm assuming there is intended to be a seal there...

6 replies | 129 view(s)

5 Hours Ago

63chevytuner replied to a thread Help adjusting lean condition - 5.3L M122 in GM V8 Tuning - Engine, Gas (Gen 3)

Thanks! I do have an IAT after the blower. I am running 91 octane right now, but can run 93 normally. I did another more detailed leak check using...

6 replies | 129 view(s)

5 Hours Ago

aka.LocK started a thread VCM Scanner Wideband Readings Fluctuate Very Rapidly in GM V8 Tuning - Engine, Gas (Gen 3)

Hello, Recently installed a 30-0300.. AEM Red extended to fuse 22 with 5amp fuse for switched AEM Black was to chassis on driver sides at...

1 replies | 55 view(s)

5 Hours Ago

mrrattle replied to a thread l84 injector/head swap running lean, need help in GM V8 Tuning - Engine, Gas (Gen 5)

replying to my own question--with update in case someone else has done something similar upped fuel rail pressure desired by 20%, this gives 18...

1 replies | 106 view(s)

5 Hours Ago

ethan.j.n.johnson replied to a thread 2.7 Ecoboost in 2019 F-150 Just paid off and wanting to clean up the tune. in Ford Tuning - Engine, Gas (Ecoboost)

what are you wanting out of the tune? what do you use the truck for? thats the starting point is what kind of tune you're looking for. but happy to...

2 replies | 358 view(s)