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Forum: Duramax Tuning, Logging, and Gauges Yesterday, 09:14 AM
Replies: 738
L5P: L5P Tuning
Views: 79,401
Posted By DAVe3283
I agree with Cougar281. My only thought is the...

I agree with Cougar281. My only thought is the new CPU just has a different key loaded, and verifies a different signature. So HPT puts a new CPU on, and signs the stock program with their key, which...
Forum: Repower / Transplant 10-19-2018, 09:31 PM
Replies: 687
Views: 73,680
Posted By DAVe3283
Does that mean the issue was cross talk on your...

Does that mean the issue was cross talk on your harness? Might be interesting to track that down, if it didn't require load to mess with it.

So those turbos only good for ~625 HP, if I'm seeing it...
Forum: Dynamometer 10-19-2018, 07:33 AM
Replies: 11
Views: 403
Posted By DAVe3283
It sounds like you're running stock transmission...

It sounds like you're running stock transmission safe tuning? If so, 480 HP is a pretty good result. If I misunderstood and that was on built trans max effort tuning, it does seem a bit lower than I...
Forum: LB7 10-19-2018, 07:24 AM
Replies: 136
Views: 20,763
Posted By DAVe3283
That's interesting, because my FlashScan V2 and...

That's interesting, because my FlashScan V2 and my knock-off Tech2 read balance rates identically on my two LB7s.

Have you tried formatting and reloading the FlashScan? Maybe some files are...
Forum: Stereo & Electronics 10-19-2018, 07:22 AM
Replies: 7
Views: 343
Posted By DAVe3283
Here you go.

Here you go.
Forum: Duramax Tuning, Logging, and Gauges 10-18-2018, 09:01 AM
Replies: 11
Views: 220
Posted By DAVe3283
EFILive is a tuning package that usually refers...

EFILive is a tuning package that usually refers to the software on the computer to read (log), modify (tune), and write (flash) the stock engine computer. It uses a hardware cable such as the...
Forum: Duramax Tuning, Logging, and Gauges 10-18-2018, 06:54 AM
Replies: 58
Views: 671
Posted By DAVe3283
I guess coming from a LB7 (fixed single) I didn't...

I guess coming from a LB7 (fixed single) I didn't think about the benefit of being able to turn a tow brake on and off. That would be cool.

All I've ever tuned is LB7s, but I have found that more...
Forum: Duramax Tuning, Logging, and Gauges 10-18-2018, 06:43 AM
Replies: 11
Views: 220
Posted By DAVe3283
You can read the various PIDs out and attempt to...

You can read the various PIDs out and attempt to rebuild the tables based on that, but even staring at the limited tables you can infer from the logs, that won't tell you who built it. You can sanity...
Forum: Duramax Tuning, Logging, and Gauges 10-17-2018, 06:15 PM
Replies: 58
Views: 671
Posted By DAVe3283
Tuning is everything. When I first had Rob tune...

Tuning is everything. When I first had Rob tune my truck, it was like a light switch. Had him drive it and he got it settled down.

Switched back to my own tuning and found out exactly why it was...
Forum: Transfer Case / Axles / Driveshafts Tech 10-16-2018, 10:49 PM
Replies: 24
Views: 7,741
Posted By DAVe3283
So, that's an 8 year necro-post, but what the...

So, that's an 8 year necro-post, but what the heck, I'll join the fun!

Coincidentally about 8 years ago, I had a pump rub pinhole, and slapped some RTV on. Eventually got the pump rub kit, but i...
Forum: Mike L's Trans Talk 10-16-2018, 10:44 PM
Replies: 9
Views: 1,238
Posted By DAVe3283
I have a mix of Altos and GPZs in my truck's...

I have a mix of Altos and GPZs in my truck's transmission. Seems to work pretty well.

Sent from my Cat S60 using Tapatalk
Forum: Tune Library 10-16-2018, 10:42 PM
Replies: 7
Views: 259
Posted By DAVe3283
You can changes OS by full flashing the ECU or...

You can changes OS by full flashing the ECU or TCM with a tune with a different OS. EFILive really makes it easy for us in that regard.

Just be sure to read and heed the warnings about the full...
Forum: LB7 10-16-2018, 10:29 PM
Replies: 65
Views: 1,392
Posted By DAVe3283
I put my SAC +75% set in March 2016. I believe I...

I put my SAC +75% set in March 2016. I believe I have one of the first ever sets, so they've been around over 2.5 years now. But back then, and I believe still now, +45% was the smallest SACs you...
Forum: Duramax Tuning, Logging, and Gauges 10-16-2018, 08:21 PM
Replies: 58
Views: 671
Posted By DAVe3283
I can see the argument for a DSP at the track to...

I can see the argument for a DSP at the track to just automate that process. Nothing wrong with wanting to make the computer do the work for you, IMO.

That said, I'm a big fan of the "one tune to...
Forum: Repower / Transplant 10-12-2018, 11:12 PM
Replies: 687
Views: 73,680
Posted By DAVe3283
Interesting. Looks like ringing on the sensor...

Interesting. Looks like ringing on the sensor output, but the periodic nature vs. engine position sure does make it seem to be a physical issue, not electrical.

The Duramax crank sensor actually...
Forum: Repower / Transplant 10-11-2018, 10:31 PM
Replies: 687
Views: 73,680
Posted By DAVe3283
Can you get a capture on an analog scope? ...

Can you get a capture on an analog scope?

Does it happen any time above 3600 RPM, or just under load? If only under load, maybe the front of the crank is walking around and the sensor is getting...
Forum: Stereo & Electronics 10-11-2018, 03:50 PM
Replies: 2
Views: 408
Posted By DAVe3283
I suspect the polarity doesn't really matter...

I suspect the polarity doesn't really matter (just a blasting cap, I believe), but why take chances with a critical life-saving device?
Forum: LLY 10-11-2018, 03:43 PM
Replies: 7
Views: 155
Posted By DAVe3283
X2, if you have a EGR cooler or turbo coolant...

X2, if you have a EGR cooler or turbo coolant line leaking, it could just run down the back of the motor like that. Those coolant hoses are pretty old at this point, and having one just spring a leak...
Forum: Fluids and Maintenance 10-11-2018, 03:39 PM
Replies: 5
Views: 293
Posted By DAVe3283
Looks like it was discontinued and replaced with...

Looks like it was discontinued and replaced with part number 19355198. Runs about $35/can, but they might be 32 oz instead of 16. Though I've seen it claimed as either 32 or 16 oz, so who knows. So...
Forum: Chassis & Suspension 10-11-2018, 01:07 PM
Replies: 18
LBZ: Handling
Views: 623
Posted By DAVe3283
Every time I change pitman arms it throws the...

Every time I change pitman arms it throws the alignment of the steering wheel off. It seems they broach the splines by hand, since every one I get is off a couple degrees from the prior one. Of...
Forum: Duramax Engine Building 10-11-2018, 12:58 PM
Replies: 7
Views: 713
Posted By DAVe3283
I think you'll be OK with that chip, I wouldn't...

I think you'll be OK with that chip, I wouldn't do anything about it. Looks really shallow.

Many people recommend replacing the oil pump, but I wouldn't, if your oil pressure was good before. When...
Forum: LLY 10-11-2018, 12:30 PM
Replies: 7
Views: 155
Posted By DAVe3283
The rear cover of the motors is a removable...

The rear cover of the motors is a removable aluminum "plate" (really a complex casting, but only 1-2" thick) that adapts it to either a SAE bellhousing pattern (Kodiak Medium-Duty trucks) or the...
Forum: Repower / Transplant 10-11-2018, 05:33 AM
Replies: 687
Views: 73,680
Posted By DAVe3283
Heck yeah! Looks like those LBZ tips cleaned it...

Heck yeah! Looks like those LBZ tips cleaned it up nicely too.

Sent from my Cat S60 using Tapatalk
Forum: LB7 10-08-2018, 01:33 PM
Replies: 19
Views: 2,116
Posted By DAVe3283
The technique for finding the leak is much the...

The technique for finding the leak is much the same now as then. Idle the truck, look for a visible leak. If not, use a scan tool to run rail pressure up slowly (I usually go 60 MPa, 100 MPa, 160 MPa...
Forum: Smoke Signals 10-05-2018, 09:10 PM
Replies: 2,553
Views: 210,984
Posted By DAVe3283
I don't know, but it sure scratches my OCD itch...

I don't know, but it sure scratches my OCD itch to see things get trued up like that! Maybe this person is like me, but with disposable income? I spent all my money on my Duramaxes...

Sent from my...
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