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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 Ect

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Old 01-26-2009, 11:35 AM   eBay Motors  #1 (permalink)
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Horsepower

How much engine horse power, rwhp, and Rear wheel torque does a stock LB7 Put out..thanks
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Old 01-26-2009, 11:39 AM   eBay Motors  #2 (permalink)
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252HP and 458lb torque stock according to banks.
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Old 01-26-2009, 11:39 AM   eBay Motors  #3 (permalink)
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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.
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Old 01-26-2009, 11:40 AM   eBay Motors  #4 (permalink)
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251hp and 429tq
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7.5 LMM CHEVY CC LT Z71
FabFour bumpers, Rancho 4in w/Bilstiens, HD tie rods and braces,35x12.5 Toyo MT 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
Inglewood 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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Old 01-26-2009, 02:54 PM   eBay Motors  #5 (permalink)
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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.
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Old 01-26-2009, 02:57 PM   eBay Motors  #6 (permalink)
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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
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Old 01-26-2009, 04:09 PM   eBay Motors  #7 (permalink)
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Is that common for a stock LBZ or LMM for WRHP?
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Old 01-26-2009, 06:49 PM   eBay Motors  #8 (permalink)
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I would think a stock LMM would be around 300rwhp
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7.5 LMM CHEVY CC LT Z71
FabFour bumpers, Rancho 4in w/Bilstiens, HD tie rods and braces,35x12.5 Toyo MT 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
Inglewood 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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Old 01-26-2009, 06:57 PM   eBay Motors  #9 (permalink)
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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
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Name: Jake Age:23 INSTAGRAM: @jakethomaspnw
NEW 2013 Duramax LML CCSB LTZ My Build Thread
Motorops Autocal, FASS 150, diamond eye 5" TB,6" Fabtech Lift, 35x12.5 toyo MT'S,20inch Fuel Pumps, Edge insight CTS, Megawarrior&Canopy, BOSS grill,Iron Cross front and rear, Pioneer In dash, 2 JL12W3-2 subs, LED's 360degrees, Banks CAI, Curt class 5 hitch, FS airbags

SOLD 2002 LB7, CC/SB 4x4 SLT
PERFORMANCE:
EFI live, Airdog2, Edge insight cts, s&b intake, 4" TB MBRP, PPE BIV, SCIV trans, 1056 converter, banks exhaust brake, digital pyro, mechanical boost, BD Blow off valve, sleeves
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Old 01-26-2009, 07:44 PM   eBay Motors  #10 (permalink)
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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.
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