Duramax Diesels Forum Truck of the Week
Old 03-05-2014, 10:50 AM
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paint94979 paint94979 is offline
Beer Nazi
Join Date: Sep 2006
Posts: 12,236

Default what engine oil should i use?

I've only used Amsoil 15w40 HD synthetic in my engine but 100$ for 10 qts is kinda ridiculous... What the hell should I change it with?
LLY's are COOL

HUGE Thanks to Chris, Mike L., McRat Racing, Total Performance Diesel, PPE, Trent, Wicked Diesel, Mike, Henry of Creatures of the Night, Exergy Engineering and the rest of Team Salad<--My Tailgate's Always open for all of you!!

11.84 @ 115
Tailgate Crew Member #2
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Old 03-05-2014, 10:52 AM
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Dirtymaxx03 Dirtymaxx03 is offline
Join Date: Aug 2009
Posts: 3,095

2003 Lb7
Efi Live

The Rabbit-build in progress
1984 2wd SB c10

Originally Posted by hondarider552 View Post
big balls if you measure in seconds of duration
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Old 03-05-2014, 11:02 AM
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xtremebikr04 xtremebikr04 is offline
Join Date: Jan 2011
Location: Vermont
Posts: 570


I've been happy running cenpeco oil.
2006 2500HD ccsb 4WD LBZ
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Old 03-05-2014, 11:11 AM
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mike diesel mike diesel is offline
I'm alright.

Join Date: Sep 2012
Location: SLC, Utah
Posts: 4,005


I've always used delo 400. $12 a gallon and it's good stuff.
'89 s10 daily driver
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Old 03-05-2014, 11:12 AM
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duramaxzak duramaxzak is offline
Wanna be puller!
Join Date: Nov 2008
Location: Minnesota
Posts: 2,071

I use Shell Rotella T6 full synthetic from walley world

2011 CHEVY 2500HD CCSB Duramax/Allison LTZ

2005 CHEVY 2500HD RCLB 2WD Duramax/Allison

2002 GMC 2500HD RCLB Duramax/allison 2.6 puller
Special thanks to:
- Danville performance, Mark.
- Suncoast transmission's, Andrew.
- Wehrli custom fab, Jason.
- Profab, Rick
- Turbo performance, Levi.
- HSP, Joe and Dave.
- SoCal diesel.
- Wagler competition, Jeramy.
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Old 03-05-2014, 11:31 AM
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chevytuf01 chevytuf01 is offline
Dirty Deeds
Join Date: Jul 2010
Location: Rileyville Virginia
Posts: 257


I Run Delvac
2001 Duramax Single Cab Extra Long Bed

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Old 03-05-2014, 11:32 AM
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OregonDMAX OregonDMAX is offline
Join Date: Apr 2013
Location: Goodyear, AZ
Posts: 3,693


Originally Posted by mike diesel View Post
I've always used delo 400. $12 a gallon and it's good stuff.
^^^ Since mine was new
Moonshine tunes, Mike L trans
Mike L secret squirrel converter
Exergy Sportsman, 4/6 drop, LML 20's/420's
supporting mods
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Old 03-05-2014, 11:46 AM
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hondarider552 hondarider552 is offline
Getting faster

Join Date: May 2008
Location: Arizona
Posts: 10,466


Paint your a noob

04 SC/SB 1500 big fuel, big SXE turbo, TH400 9.72 @ 150.
06 Cummins cc/sb EFI by Hardway.
15 Cruze diesel deleted by Fleece

Tailgate Member #1 I prefer the backdoor
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Old 03-05-2014, 11:48 AM
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sickdiesel sickdiesel is offline
Join Date: Apr 2010
Posts: 1,019

i run delo in my black lbz engine and schaffers in my race truck (after 1000 miles of break in with delo)
Current: 2018 Ford Raptor 802A
2017 GMC L5P Denali CC/LB Cognito 4-6" on 22s with 35s SOLD
Blackout :06 GMC lbz 4x4 Built motor, HSP twins, DDP Injectors, Self built trans 11.68@118.5 SOLD
OverBuilt :07 Chevy lbz 4x4 Caged and built to the hilt 10.42@134 SOLD
Special thanks to: Mike L, GTrippin, IdahoRob, SDP, ISSPRO, Yukon, Dmaxstore, Airdog, HSP, Hamilton Cams, and Flexalite

Adrenaline Truck Performance IDAHO ROB 208.685.1000
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Old 03-05-2014, 11:56 AM
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plowboy_lbz plowboy_lbz is offline
Join Date: Aug 2013
Posts: 431

Schaffers ftw
07 lbz ccsb
EPR s475 o/stock, floor-it stg II cp3, Kory tuned, suncoast, tow-flows, Y bridge, insight, EXAXT,
cognito uca's, trac bars, AD II 165, banks IC, blacked out grill, cowl hood, tough country bumpers
Dyno - 582hp 1209tq - SJD, 561hp 1247tq floor-it-diesel (stock turbo & inj.)
Track - 12.82 @ 105.5 mph @7300lbs 1.82 60 ft (Danville 4094vvt)

07 lbz rclb
Kory tuned, RDL egr delete, banks IC,insight,
bd lift pump w/remote WS, nicktane, ranch hand front
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Old 03-05-2014, 12:04 PM
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x MadMAX DIESEL x MadMAX DIESEL is offline
<<<< No Horsepower

Join Date: Dec 2008
Location: Lexington, Ky
Posts: 7,496


Scheafers or delo. I'd probably just run delo in your truck.
LBZ Stock Charger

2.5 puller in the Mecca!!

Manual Mafia

Originally Posted by BgBlDodge View Post
Al gore invented driving the turbo.
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Old 03-05-2014, 12:14 PM
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SickLL7Crenshaw SickLL7Crenshaw is offline
Billy The Kid
Join Date: Mar 2013
Location: Fort Sumner, NM
Posts: 984


We run Mystic 15w-50 synthetic blend here on the ranch in all vehicles. Been running it since the early 80s. Love it.
2001 LB7 312k miles
7.1@95/11.3@120 Stock Motor
More air/fuel coming 2019.
Crenshaw Ranch, LLC. 8LB7s, 7LLYs, 1LBZ , 2LMMs, 1L5P
Tuned by Unleashed Duramax Tuning, LLC
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Old 03-05-2014, 01:01 PM
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gmduramax gmduramax is offline
Shits broke
Join Date: Jun 2008
Location: Nor cal
Posts: 3,080


Go get rotella from Walmart
2008 GMC duramax crew cab short bed 2500.

Thanks to Mike L, SoCal Diesel, and Abel Chevorlet.

Tailgate Crew Member #1
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Old 03-05-2014, 01:17 PM
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Chevy1925 Chevy1925 is offline
don't know sh!t about IFS

Join Date: Oct 2009
Location: Phoenix Az
Posts: 14,835


I ran rotella reg stuff for breakin and for the next 10k, now im running the rotella full syn
Originally Posted by JoshH View Post
Mike L is my role model. I want to be like him when I grow up.

02 LB7, LLY, LBZ, LMM, LML, L5P 2500HD CC/LB dmax/alli "The Limo"

BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.

best time to date: 12.39

motor died/bent rods = 3/11/11
back from the dead 7:04pm 4/9/2012

Limo is back in the garage, now driving a built chevy tracker
Tailgate Crew Member #4
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Old 03-05-2014, 01:19 PM
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jmaz268 jmaz268 is offline
Lead from the Front

Join Date: May 2010
Location: Springfield IL
Posts: 2,897



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