Duramax Diesels Forum Truck of the Week
Old 08-10-2016, 11:32 AM
IdahoRob IdahoRob is offline
Join Date: Jun 2007
Posts: 1,083


I've been running the twins now for a couple months. One dyno session is all I've been able to make time for. The truck made 550hp on the same pulse but noticed that rail pressure is dropping on the same pulse that it used to keep perfect rail with. May be filters getting restricted, my be cp4 not being happy. The spool up is a bit slower IMO but top end pulls harder than stock turbo once up on boost.

My son raced it at the local dirt drags and they had a sled pull so I entered it without any prep at all. Snap decision since I was there anyway. Just a local brush pull series with 20 other diesels. Most of the other trucks run the series so I thought I was just wasting my money. Ended up putting 70' on the second place truck. I really like this sled pulling stuff. https://www.youtube.com/watch?v=GIIfnre7cLY
Please email me with questions at rob@atptrucks.com

2002 GMC 9.36 @ 154MPH SoCal engine, Randy's 48re, Big Twin Diesel
2013 LML, twins, MIKE L @ Inglewood Transmission

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Old 08-10-2016, 11:48 AM
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DMAX Slim DMAX Slim is offline
Making chips or sparks
Join Date: Jan 2016
Location: U.S.
Posts: 818

That was awesome!
2003 CC/SB LB7 "The Ole Heifer"
1993 GMC Sonoma 4WD V6 D.D.
Jesus Is The Only Way!
2002 RC/LB LB7~~Sold~~

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Old 08-10-2016, 04:39 PM
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DAVe3283 DAVe3283 is offline
Heavy & Slow

Join Date: Sep 2009
Location: Boise, ID, USA
Posts: 2,588


Cool! How has it affected regen frequency and fuel economy? Or still too soon to tell?

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Old 08-10-2016, 05:42 PM
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clrussell clrussell is online now
Join Date: Sep 2013
Posts: 4,605

Awesome.. Drag it to the parking lot!!
01 ext cab, Billet ihi, trans with g converter, sac 45s, tap shift, lots of black, everything built by myself with help from some of the best in the buisness.

Thanks to everyone on this forum who has helped me and those whom I bought parts from.

Special thanks to Evan, James, Russell, Mark and all the others I'm forgetting.
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Old 02-18-2017, 07:43 PM
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LBZ LBZ is offline
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Join Date: Jul 2007
Location: Ontario
Posts: 9,747


Any more updates Rob? I am beginning to see an LML in my future.......
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Old 01-31-2018, 02:46 AM
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snowman22 snowman22 is offline
Join Date: Jan 2018
Posts: 2

I hate to bring up an old thread, but has anyone heard any more updates or had success with Rob's emissions tunes? I just got an LML to replace my LB7 and will be going down to Mike L. again as soon as I pick a tune.
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Old 01-31-2018, 05:17 AM
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TheBac TheBac is offline
Why do I keep doing this?

Join Date: Apr 2008
Location: Mid Michigan
Posts: 10,981


Actually, its good you did. Id also like to hear back from Rob if he found out anything new and how things have gone over the longer period of time....
"BBT" 2003 GMC CC/SB 4x4

"Flyin' Brick" 1999 Chevy 1500 RC/SB 2wd -- in progress
2014 Chevy Cruze Diesel -- the DD

Two wrongs dont make a right, but three rights do make a left.

Reality is a matter of perspective.

This forum isn't for the weak of heart.....or wallet.

From mufflerguy on yb,
"Lets build a race car they said. Itll be fun they said. I don't know who "they" are.........but they need a good punch in the face!"
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Old 01-31-2018, 07:45 AM
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Mike L. Mike L. is offline
Got Sheep?
Join Date: Aug 2006
Location: Disneyland, CA
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I loved my LML tune from Rob. No smoke and plenty of power. Always passed smog.
Shop 714 870 7300
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Tuned by Idaho Rob.
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Old 02-01-2018, 01:09 AM
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snowman22 snowman22 is offline
Join Date: Jan 2018
Posts: 2

Originally Posted by Mike L. View Post
I loved my LML tune from Rob. No smoke and plenty of power. Always passed smog.
I'll see you soon, we talked a week or two ago!
2015 LML GMC Denali 3500 SRW 4wd CCLB 80k Miles
S&B Intake, Twin Kennedy Pumps, Bilstein 5100, Edge CTS2

For Sale: 2003 LB7 CCLB 345K miles
duramaxtuner.com ECU, Mike L Trans and Cooler, ProFab Intake Horn and Down Pipe, PPE boost valve, Removed EGR, IAH Delete, RedHead Steering Box, FASS 150, MBRP 4", Edge Insight CS, EBC Sport Rotors and Orange Pads, Energy Poly Bushings
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