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| 06-07.5 LBZ & LLY 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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09-06-2006, 08:34 PM
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eBay Motors
#1 (permalink)
| | Junior Member
Join Date: Aug 2006
Posts: 26
| Mpg
Anyone getting good mileage out of their LBZ stock? mines straight piped and getting about 13.9 average. | 
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09-06-2006, 10:24 PM
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eBay Motors
#2 (permalink)
| | Diesel Performance
Join Date: Jun 2006 Location: Sacramento, CA
Posts: 991
| Got a customer getting about 16 out of his new dually. Just spoke with him today. Might have something to do with using a 35K lb backhoe to beak it in, though . . . . 
__________________ We are very busy in the shop, please call for fastest service!
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09-07-2006, 06:06 AM
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eBay Motors
#3 (permalink)
| | Junior Member
Join Date: Sep 2006 Location: Puyallup, WA
Posts: 2
| I have an O7' Classic and am getting 16.2mpg. | |
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09-07-2006, 09:30 PM
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eBay Motors
#4 (permalink)
| | Member
Join Date: Aug 2006 Location: Norco, Ca
Posts: 66
| Mine only has 300 miles on it and getting 16 hwy and 14 city. 100% stock....For now 
__________________ Blue Meanie 11.36 @ 120.67 448 rwhp/411 tq AFR H/C
Wendy 06 GMC LBZ CC/SB EFI "Rat Posion", Sun Coast trans, SC 1057 & Transgo JR by MikeL, SD sleeves 12.85 @ 103.75 Big Blue 04 GMC LLY 3500 SRW CC LB 4x4 DA 13.12 @ 103.93 466RWHP/928TQ. PPE LLY extreme tune, VA Box, SC III by Inglewood Trans, 4" straight pipe, Super Diesel Tie Rod supports and Manifold, Trippin Pickup, Cognito Braces, FuzzyDice. McRat's toy-2005 GMC "Casper 2" 2500HD 4wd Xcab SB Mike L. LLY Franky 2 trans, McRat tuning, So Cal Diesel internals 10.95 @ 124.48 #2 | |
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09-07-2006, 09:36 PM
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eBay Motors
#5 (permalink)
| | Gear Jammer...
Join Date: May 2006 Location: Mt. Pleasant PA
Posts: 1,892
| I dont have one but my buddy dose and he's getting about 16 avg @ 7000miles with a finger stick and blocker plate, afe stage I intake, and afe 4" exhaust!
__________________ 05 Chevy 2500HD dark blue reg cab ZF-6 speed/W South Bend Clutch ,Power by EFI Live W/Dsp2 , PPE GT4094R, ATS CP3x2, Modified Volant intake, MBRP front pipe, 4" side pipe, Holley Blue lift pump, Isspro gauges,Cognito Braces, SD Centerlink, Caltracs, ATS Tie Rod Sleeves Best ET 12.53@ 109 mph 04.5 Chevy 2500HD, silverbirch, D/A, CC/SB , EFI live, SCIV w/ATS 5Star converter,McRat shim mod, Wicked Diesels modded FPR, Kennedy dual lift pump, Modified Volant intake, Cognito Braces,CUD tie rod Sleeves, EGR BLocker,Diamond eye Down pipe, 4" dual exhaust, Elocker, MA Tcase Fix, B&W GN Hitch Best ET 13.53 @ 101mph | |
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09-09-2006, 06:48 AM
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eBay Motors
#6 (permalink)
| | Junior Member
Join Date: Sep 2006 Location: Austin Texas
Posts: 20
| I just filled up after my first tank. Calculated 15.5mpg mostly city.
__________________  Wheat- '06 2500HD LBZ CC 4x4 | |
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09-09-2006, 08:46 AM
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eBay Motors
#7 (permalink)
| | Member
Join Date: Aug 2006 Location: Norco, Ca
Posts: 66
| Seems I need more mods for better mpg
__________________ Blue Meanie 11.36 @ 120.67 448 rwhp/411 tq AFR H/C
Wendy 06 GMC LBZ CC/SB EFI "Rat Posion", Sun Coast trans, SC 1057 & Transgo JR by MikeL, SD sleeves 12.85 @ 103.75 Big Blue 04 GMC LLY 3500 SRW CC LB 4x4 DA 13.12 @ 103.93 466RWHP/928TQ. PPE LLY extreme tune, VA Box, SC III by Inglewood Trans, 4" straight pipe, Super Diesel Tie Rod supports and Manifold, Trippin Pickup, Cognito Braces, FuzzyDice. McRat's toy-2005 GMC "Casper 2" 2500HD 4wd Xcab SB Mike L. LLY Franky 2 trans, McRat tuning, So Cal Diesel internals 10.95 @ 124.48 #2 | |
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09-30-2006, 08:45 AM
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eBay Motors
#8 (permalink)
| | Junior Member
Join Date: Sep 2006
Posts: 3
| 1st tank, 19.1 calculated full to full - mostly highway
3rd tank, 20.2 - all highway at 65mph | |
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09-30-2006, 12:33 PM
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eBay Motors
#9 (permalink)
| | Gear Jammer...
Join Date: May 2006 Location: Mt. Pleasant PA
Posts: 1,892
| Quote:
Originally Posted by Kat  Seems I need more mods for better mpg | Thats funny how that works aint it, More HP while getting better MPG? Man I love Diesels!!!!!! Quote:
Originally Posted by cewillis 1st tank, 19.1 calculated full to full - mostly highway
3rd tank, 20.2 - all highway at 65mph | Thats Pretty Good  !
__________________ 05 Chevy 2500HD dark blue reg cab ZF-6 speed/W South Bend Clutch ,Power by EFI Live W/Dsp2 , PPE GT4094R, ATS CP3x2, Modified Volant intake, MBRP front pipe, 4" side pipe, Holley Blue lift pump, Isspro gauges,Cognito Braces, SD Centerlink, Caltracs, ATS Tie Rod Sleeves Best ET 12.53@ 109 mph 04.5 Chevy 2500HD, silverbirch, D/A, CC/SB , EFI live, SCIV w/ATS 5Star converter,McRat shim mod, Wicked Diesels modded FPR, Kennedy dual lift pump, Modified Volant intake, Cognito Braces,CUD tie rod Sleeves, EGR BLocker,Diamond eye Down pipe, 4" dual exhaust, Elocker, MA Tcase Fix, B&W GN Hitch Best ET 13.53 @ 101mph | |
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09-30-2006, 03:23 PM
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eBay Motors
#10 (permalink)
| | Junior Member
Join Date: Sep 2006
Posts: 19
| I was getting 11MPG, took the lid off my factory air box and now get 13MPG!!
I have 20" wheels and 33" mud tires though...I hear they KILL fuel milage! Also have a straight pipe in place of the muffler. | |
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