Horsepower - Chevy and GMC Duramax Diesel Forum

01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #1 of 16 (permalink) Old 01-26-2009, 11:35 AM Thread Starter
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How much engine horse power, rwhp, and Rear wheel torque does a stock LB7 Put out..thanks

My 01 duramax LB7 AMSOIL Equipped, 200,xxx miles, 4in stainless w/7in tip, ISSPRO GAUGES, HIDS high and low, tow mirrors, ported mouthpiece, AFE stage2
265 nittos on Helo maxx8 black. 4th limp
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post #2 of 16 (permalink) Old 01-26-2009, 11:39 AM
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252HP and 458lb torque stock according to banks.

03 EC/LB LB7: EFI LIVE, S&B intake, 5" DE, ATS manifolds and up pipes, Stock turbo (for 1 more weeks), airdog 150, pieced together trans, sleeve (trac bars and centerlink soon), 8" rear air bags-overload springs+2" blocks, bilstein 5100 shocks, leveled, nitto 285/75/17's and BFG KM2 255/85/16's for winter.
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post #3 of 16 (permalink) Old 01-26-2009, 11:39 AM
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300 HP and 520 TQ is what GM says. If you Dyno it....you will see less to the rear wheels.

^^EDIT: He beat me to it. But those numbers he posted are probably VERY accurate to what the truck would Dyno.

Officially sold the truck But bought an H2 that is getting a Dmax
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post #4 of 16 (permalink) Old 01-26-2009, 11:40 AM
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251hp and 429tq

2007.5 LMM CHEVY CC LT Z71
FabFour bumpers, Rancho 4in w/Bilstiens, full Kryptonite steering with Cognito braces and trac bars,35x12.5 Toyo R/T on 20x10x4.5BS KMC Monsters
[BANKS intake,dual exhaust,intercooler]Diamond Eye down pipe, AFE tube, res. plug, PCV mod, 4094avnt, 60% over nozzles, PPE race valve & fuel pickup, AirDog 150, Fitch fuel catalyst
Mike L. SCIV w/1056 C3 oiler, EFI live, Duramaxtuner DSP 5, Edge Insight, ProFab manifold/up pipes & 3" short bridge/boost pipe
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post #5 of 16 (permalink) Old 01-26-2009, 02:54 PM
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Depends on you alt. and D/A during that day. In the mile high city you will see about 25hp & 50fpt less on most dynos than you do on one at sea level. Average HP is about 240-250 for most folks. It goes up from there. I make about 50-75hp less at that elevation than I do at the lower. You need to be in a big HP range to see these results though. I'm less than a 1%er in this area.

02 GMC 4D 4WD DUALLY (WHITE BUFFALO)
GT4202 and Dual Fueler from PPE w/my moded LBZ CP3s.
Tune by Tony at RIDGE RUNNER & EFI live.
Trans is a Mike L. special with a SC1057.
Heads, Pistons, and balancing by Guy at SoCal.
Carrillo rods.
A1 & ARP studs.
Injects by Kerma.
And some massaging and machining from me. Lots of other little stuff.

Designer of SD products. Constaintly imitated but never duplicated.

Last edited by Super Diesel; 01-26-2009 at 02:58 PM.
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post #6 of 16 (permalink) Old 01-26-2009, 02:57 PM
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I have my stock dyno sheets in front of me 255.3rwhp 415.5ftlbs/tq

my dads stock LBZ reads 281.3rwhp 496.2 ftlbs/tq
and after PPE LVL 3 (160hp) it reads 347.5 rwhp 668.7 ftlbs/tq

Name: Jake Age:24 INSTAGRAM: @jakethomaspnw
NEW 2013 Duramax LML CCSB LTZ My Build Thread
Motorops Autocal, FASS 150, diamond eye 5" TB,6" Fabtech Lift no bolts, 35inch Toyo M/T, 20x12 Fuel Octanes,,ISSPRO EV2 GM MATCH, BOSS grill,Fusion front and Iron Cross rear, Pioneer In dash, subs, Banks CAI, ARB twin air compressor, Cognito UCAs
PICKING UP 8/23/16: CP3 CONVERSION/ S369SXE/ 30% OVER EXXERGY INJECTORS


Last edited by Duramax-LML; 01-26-2009 at 03:00 PM.
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post #7 of 16 (permalink) Old 01-26-2009, 04:09 PM
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Is that common for a stock LBZ or LMM for WRHP?

White 11 Denali LML CCSB
20X9 BMF Novakanes 285 BFG's
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post #8 of 16 (permalink) Old 01-26-2009, 06:49 PM
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I would think a stock LMM would be around 300rwhp

2007.5 LMM CHEVY CC LT Z71
FabFour bumpers, Rancho 4in w/Bilstiens, full Kryptonite steering with Cognito braces and trac bars,35x12.5 Toyo R/T on 20x10x4.5BS KMC Monsters
[BANKS intake,dual exhaust,intercooler]Diamond Eye down pipe, AFE tube, res. plug, PCV mod, 4094avnt, 60% over nozzles, PPE race valve & fuel pickup, AirDog 150, Fitch fuel catalyst
Mike L. SCIV w/1056 C3 oiler, EFI live, Duramaxtuner DSP 5, Edge Insight, ProFab manifold/up pipes & 3" short bridge/boost pipe
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post #9 of 16 (permalink) Old 01-26-2009, 06:57 PM
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Quote:
Originally Posted by HumboldtDmax View Post
I would think a stock LMM would be around 300rwhp
no its the same as the LBZ maybe 1 or 2hp more

the LMM is only rated 5hp more and thats at the crank

so there about the same around 280-285rwhp

Name: Jake Age:24 INSTAGRAM: @jakethomaspnw
NEW 2013 Duramax LML CCSB LTZ My Build Thread
Motorops Autocal, FASS 150, diamond eye 5" TB,6" Fabtech Lift no bolts, 35inch Toyo M/T, 20x12 Fuel Octanes,,ISSPRO EV2 GM MATCH, BOSS grill,Fusion front and Iron Cross rear, Pioneer In dash, subs, Banks CAI, ARB twin air compressor, Cognito UCAs
PICKING UP 8/23/16: CP3 CONVERSION/ S369SXE/ 30% OVER EXXERGY INJECTORS

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post #10 of 16 (permalink) Old 01-26-2009, 07:44 PM
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my buddies lb7 just made 282Hp and 56x Tq the other day up at danville performance that was stock, before adding a boost valve and tuning it with efi live.

2004.5 Chevy Silverado (J.T.) 2500HD "Dirt Nasty" LLY
Currently under construction for ODL
EFI Live Tuned By Mark Broviak @ Danville Performance
Danville Performance Specializing in GM Performance including Duramax Diesels from stock to Full out competition trucks. Custom EFILive tuning, In house Dynojet 224LC Dyno, Custom Danville Performance Turbos including VGT's, Modded LBZ CP3's, Sled pulling setup and parts, competition built motors, etc... For more details Call Larry, Matt, or Mark at 317-745-8587
www.DanvillePerformance.com
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