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Go Back   Chevy and GMC Duramax Diesel Forum > Chevy / GMC Duramax 01-04.5 LB7 Forums > 01-04.5 LB7 Duramax Powertrain
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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 11-02-2009, 10:28 AM   eBay Motors   #11 (permalink)
Jscherbs
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Quote:
Originally Posted by Hondarider552 View Post
Knowing what I know now, I wouldnt have bought my LBZ, i would have gone to a LB7.
Why is that?
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2003 2500HD ECSB Duramax
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AFE Stage 2 Intake
4" Turbo back strait piped silverline
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AD100- Thx Todd MPF
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Old 11-02-2009, 10:34 AM   eBay Motors   #12 (permalink)
SparkZ03DMAX
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Quote:
Originally Posted by ob_1jr View Post
the only problem i have had with my truck is waterpumps....i have had it replaced 3 times. I cant complain much though...i have only paid $100 for all 3 pumps thanks to warranty and me being persistant with the dealer.
actually rite now mine needs to be replaced
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-2001 Chevrolet 2500HD LB7 Duramax 4x4:
PPE Standard Xcelerator
AFE Stage 2 Intake
PPE Boost Increase Valve
MBRP 5" Straight Pipe w/ 6in Tip
TransGo Shift Kit
18in Prova Alloy Wheels
33x12.50 Nitto Terra Grappler All-Terrains
Autometer ES Series Gauges

I HAVE TO GET EFI LIVE!!!
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Old 11-02-2009, 10:39 AM   eBay Motors   #13 (permalink)
Gangkopff
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I love mine! Injectors were replaced around 36K. No problems since. I've got 111K on it. Nothing like beating tuner punks with a truck!
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2001 GMC LB7 2500HD Reg Cab Long Box 4x4

Airbox mod w/K&N filter
Custom 4" Stainless exhaust split dual
Edge Juice w/Attitude
PPE Boost Valve
35% Tint
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Old 11-02-2009, 10:41 AM   eBay Motors   #14 (permalink)
ob_1jr
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I dont know what is causing mine to leak all the time. the original pump lasted 46,000 miles. the second one lasted less than 4500 miles before leaking and the third made it about 8000 miles, but only because i put it off since it was the middle of winter. As long as mine fails again before june or july next year, i am still covered. No need to really do an antifreeze change or flush since they have changed the pump so many times.
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2004 GMC 2500HD D/A CC Carbon Metallic w/ LB7
4" turbo back MBRP exhaust, Cognito UCAs & HD tierods
TST Powermax Programmer, Diablosport Predator
285/75-16 BFG T/A KOs, Eagle Alloys Series 187
Clifford 2 way remote start, High Idle, Bilstein 5100s, 1.5" lift blocks
AFE Magnum Force Stage 2 Proguard 7 intake
Waiting install:Rancho Steering stabilizer....all thanks to NorCal Truck


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Old 11-02-2009, 10:47 AM   eBay Motors   #15 (permalink)
scottdomine
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I love mine, other than injectors and trans case hole issue.
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2002 Silverado 2500HD LBZ FE9 Ext Cab 4x4 LT, 133k miles (08/12/09), American Racing Chrome Nitro's, Goodyear Wrangler MT/R 285/75R16, Resonator plugged, B&W Turnover ball, Amsoil Synthetics throughout truck, Bilstein 5100 shocks, Westin Chrome Bars, Adrian Double Lid Box, Line-X sprayed liner, PPE Economy Tuner Running Level 2(Thanks Husker Diesel)! 4" MBRP Turbo Back w/ chrome tip (Thanks again to Husker Diesel), Pillar Mounted Autometer Cobalt Boost and Pyro gauges


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Old 11-02-2009, 10:48 AM   eBay Motors   #16 (permalink)
03-GMC
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I love my LB7 would trade it for anything else. Mine has about 86,000 miles on it now
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2003 GMC LB7 CC/SB
EFI by IdahoRob, SCIII W/ML Precision Converter by Trent Nell, UL-II Gauges, 5" Straight Pipe, PPE Boost Valve, AFE Intake, and FASS Fuel Pump (150GPH), Modded Intake Horn, PPE Tie Rod Sleeves, SD Manifold, Smoked Recon Cab Lights, Tail Lights & 3rd LED Brake Light, 6000K HID's Lows and Fogs, Tow Mirrors and a 2" Cowl Hood
1/4 mile time 13.2, 454 RWHP
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Old 11-02-2009, 11:05 AM   eBay Motors   #17 (permalink)
Jscherbs
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Quote:
Originally Posted by ob_1jr View Post
I dont know what is causing mine to leak all the time. the original pump lasted 46,000 miles. the second one lasted less than 4500 miles before leaking and the third made it about 8000 miles, but only because i put it off since it was the middle of winter. As long as mine fails again before june or july next year, i am still covered. No need to really do an antifreeze change or flush since they have changed the pump so many times.

Any word on why yo are going through these pumps so fast?
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PIN IT TO WIN IT
2003 2500HD ECSB Duramax
38,000 Miles
AFE Stage 2 Intake
4" Turbo back strait piped silverline
Quad Stealth 2 (EFI live in due time)
AD100- Thx Todd MPF
Autometer Cobalts, Colormatched pillar
285/75/16 MTR's
Every window 20%
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Old 11-02-2009, 11:15 AM   eBay Motors   #18 (permalink)
ob_1jr
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They couldnt explain it to me. The first one that i got replaced was probably because of the tech that did the work....it took them 3 DAYS to get it changed out and there were things messed up when i got it back. The second one...i dont know..possibly because of the cold, but i doubt it. We will see how long this one lasts.
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2004 GMC 2500HD D/A CC Carbon Metallic w/ LB7
4" turbo back MBRP exhaust, Cognito UCAs & HD tierods
TST Powermax Programmer, Diablosport Predator
285/75-16 BFG T/A KOs, Eagle Alloys Series 187
Clifford 2 way remote start, High Idle, Bilstein 5100s, 1.5" lift blocks
AFE Magnum Force Stage 2 Proguard 7 intake
Waiting install:Rancho Steering stabilizer....all thanks to NorCal Truck


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Old 11-02-2009, 06:22 PM   eBay Motors   #19 (permalink)
SparkZ03DMAX
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Quote:
Originally Posted by ob_1jr View Post
I dont know what is causing mine to leak all the time. the original pump lasted 46,000 miles. the second one lasted less than 4500 miles before leaking and the third made it about 8000 miles, but only because i put it off since it was the middle of winter. As long as mine fails again before june or july next year, i am still covered. No need to really do an antifreeze change or flush since they have changed the pump so many times.
someone told me that using DEX-COOL makes them go. But I was like "Thats what is recommended, look at the cap!" LOL
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-2001 Chevrolet 2500HD LB7 Duramax 4x4:
PPE Standard Xcelerator
AFE Stage 2 Intake
PPE Boost Increase Valve
MBRP 5" Straight Pipe w/ 6in Tip
TransGo Shift Kit
18in Prova Alloy Wheels
33x12.50 Nitto Terra Grappler All-Terrains
Autometer ES Series Gauges

I HAVE TO GET EFI LIVE!!!
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Old 11-02-2009, 06:32 PM   eBay Motors   #20 (permalink)
chevymakesitizuzushakesit
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injectors issues , 5 speed tranny sucks i wish i would hav bout an lbz instead of my llymy inj r going south al well
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