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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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11-20-2012, 01:38 PM
| eBay Motors #11 (permalink) |
| DuramaxForum Veteran  Join Date: Sep 2012 Location: South Whitley, IN
Posts: 1,222
| I'm gonna be checking my fuel lines when I get home now...
__________________ The Sound Of Madness 2004.5 LLY ECSB EFI Live, MA700 Trans, Airdog 2 165, MBRP 5" with 6” tip, Profab Downpipe, LML Manifold, LBZ Mouthpiece, AFE Stage 1 Intake, EGR Blocked, PCV Rerouted, Resonator Plugged, ADP Race Valve, MA Rear Housing Support, MA Pump Rub Fix, Rancho RS9000xl's, Amsoil Synthetics, Autometer Cobalt’s Boost & Pyro, Tint (5% back, 20% front), HID's, US Speedo Custom LED Gauge Cluster, Line-X’d rockers To Come!!  :Profab EGR Delete 4094vvt 40% overs |
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11-20-2012, 02:26 PM
| eBay Motors #12 (permalink) |
| Senior Member  Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| Not sure where Marlow is. Im near the lakes in central NH
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that...  I like my max's clean |
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11-20-2012, 02:27 PM
| eBay Motors #13 (permalink) |
| Senior Member Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| So what size rubber line did you use?
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that... I like my max's clean |
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11-20-2012, 02:58 PM
| eBay Motors #14 (permalink) | |
| DuramaxForum Enthusiast Join Date: Sep 2010 Location: Maritimes, Canada
Posts: 3,611
| Quote:
I had to replace both the fuel supply and the return lines on mine and I've had no issues with rubber fuel lines collapsing whether I have my lift pump running or not. The supply side is 1/2" ID the whole length except at the fuel sender (you'll need to use 5/8" line there to slip onto the fuel sender). The return line is all 3/8" the entire way (1/2" to go over the fuel sender). Once you get it all down, you'll be shocked how corroded everything is and glad you don't need to worry about it anymore (just be sure to insulate any areas of fuel line which may rub against anything). Be sure to get good quality fuel hose too (especially if you run any biodiesel at all). These may help with the fuel sender area: http://www.kennedydiesel.com/docs/Ba...stallation.pdf http://www.kennedydiesel.com/docs/Fu...ifications.pdf
__________________ 2005 Silverado EC/SB, LLY, 4WD, EFI DSP5 V2 (Idaho Rob at ATP), Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Allison Deep Pan w/ Suncoast Filterlock and Transynd ATF, Bilstein 5100's (Norcal), Cognito UCA's, 17" NBS alloy rims, 265/70R17 Michelin LTX M/S2's, Pioneer AVH-P3200BT, CubbyCam Backup Camera, Pop & Lock Power Tailgate Lock, Extang Solid Fold Tonneau Cover, Tekonsha P3 Brake controller, Alphatherm AT-38OD Washer Fluid Heater Last edited by MTL_Dmax; 11-20-2012 at 04:09 PM. | |
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11-20-2012, 03:46 PM
| eBay Motors #15 (permalink) |
| Senior Member Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| Oh Ive been under there and it seems one line is rusted most of the way, and at every black plastic line holder its nasty too. Thanks for the info guys. I almost bought factory lines too.
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that... I like my max's clean |
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11-20-2012, 04:09 PM
| eBay Motors #16 (permalink) |
| DuramaxForum Enthusiast Join Date: Sep 2010 Location: Maritimes, Canada
Posts: 3,611
| You may find this thread helpful as well: LLY: leaking fuel cooler - Diesel Place : Chevrolet and GMC Diesel Truck Forums
__________________ 2005 Silverado EC/SB, LLY, 4WD, EFI DSP5 V2 (Idaho Rob at ATP), Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Allison Deep Pan w/ Suncoast Filterlock and Transynd ATF, Bilstein 5100's (Norcal), Cognito UCA's, 17" NBS alloy rims, 265/70R17 Michelin LTX M/S2's, Pioneer AVH-P3200BT, CubbyCam Backup Camera, Pop & Lock Power Tailgate Lock, Extang Solid Fold Tonneau Cover, Tekonsha P3 Brake controller, Alphatherm AT-38OD Washer Fluid Heater |
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11-20-2012, 07:16 PM
| eBay Motors #17 (permalink) |
| Senior Member Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| Awesome, more good stuff to read. You say a good quality fuel hose, what would you recommend?
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that... I like my max's clean |
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11-20-2012, 08:09 PM
| eBay Motors #18 (permalink) |
| Senior Member Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| I found some SAE30R9 hose on ebay. Bio-D safe type of stuff ~$7.50/ft for 1/2"
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that... I like my max's clean |
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11-21-2012, 03:24 AM
| eBay Motors #19 (permalink) | |
| DuramaxForum Enthusiast Join Date: Sep 2010 Location: Maritimes, Canada
Posts: 3,611
| Quote:
If you need to source hose, just give John Kennedy a call and he can get whatever size you need. May also be a good time for a lift pump if you don't already have one.
__________________ 2005 Silverado EC/SB, LLY, 4WD, EFI DSP5 V2 (Idaho Rob at ATP), Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny cooler, EXAXT Steering System, Redhead Power Steering Box w/ Amsoil PS fluid, Green Torsion Keys, Allison Deep Pan w/ Suncoast Filterlock and Transynd ATF, Bilstein 5100's (Norcal), Cognito UCA's, 17" NBS alloy rims, 265/70R17 Michelin LTX M/S2's, Pioneer AVH-P3200BT, CubbyCam Backup Camera, Pop & Lock Power Tailgate Lock, Extang Solid Fold Tonneau Cover, Tekonsha P3 Brake controller, Alphatherm AT-38OD Washer Fluid Heater | |
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11-21-2012, 07:49 AM
| eBay Motors #20 (permalink) | |
| Senior Member Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| Quote:
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that... I like my max's clean | |
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