Duramax Diesels Forum Truck of the Week
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Old 04-03-2017, 04:53 PM
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Default Fuel line routing

When installing the DHD super high flow low profile bridge on an LBZ GMC do you route the CP3 line in front (towards bumper) or in back of (towards firewall) the bridge. I thought it was in front but it started to kink so I'm routing it behind. Just wondering what others have done or should do.

....Edited due to phone autocorrects....
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File Type: jpg Optimized-DHD Fuel.jpg (135.0 KB, 101 views)
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Last edited by Leadfoot; 04-03-2017 at 07:47 PM.
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Old 04-03-2017, 07:42 PM
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In the pic I added to the original post, it is routed to the rear of the bridge and doesn't seem to kink. I just don't remember seeing any engine compartments with it routed to the rear, so that is why I ask. Although I haven't seen many modded engine compartments....
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2006 GMC CCSB 4WD McRat EFI Live , Kennedy dual lift pumps, Champion Stage IV tranny, Mike L converter, cooler and C3 oiler, Suncoast Brace, Eaton E-Locker, Caltracs, homemade pulling hitch, homemade limit blocks, H2's and cooper STT's, Predator, MBRP Cool Duals (not kitty or muffler), EGR blocker, Finger Stick, and all on headlight mod.

80 K20ish Reg Cab Long Bed, Full Roller 496, Manual TH400, Torque Converter Techniques converter, 3:1 planetary setup, NP205, High Angle driveshafts, 4.56's, 35's, Lockers F&R, Dakota digital dash, and custom interior.

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Old 04-03-2017, 08:09 PM
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In front will keep it out of the way of the mouthpiece. You gotta go down then swoop it back out to your fuel block.
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Old 04-04-2017, 05:16 PM
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I'll try in front again tomorrow (maybe there is a sweet spot I didn't find before), it just always seems to start to kink no matter which way I tried in front. I'll update my findings after final install.
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2006 GMC CCSB 4WD McRat EFI Live , Kennedy dual lift pumps, Champion Stage IV tranny, Mike L converter, cooler and C3 oiler, Suncoast Brace, Eaton E-Locker, Caltracs, homemade pulling hitch, homemade limit blocks, H2's and cooper STT's, Predator, MBRP Cool Duals (not kitty or muffler), EGR blocker, Finger Stick, and all on headlight mod.

80 K20ish Reg Cab Long Bed, Full Roller 496, Manual TH400, Torque Converter Techniques converter, 3:1 planetary setup, NP205, High Angle driveshafts, 4.56's, 35's, Lockers F&R, Dakota digital dash, and custom interior.

www.matpa.org
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Old 05-16-2017, 10:57 PM
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Quote:
Originally Posted by Leadfoot View Post
I'll try in front again tomorrow (maybe there is a sweet spot I didn't find before), it just always seems to start to kink no matter which way I tried in front. I'll update my findings after final install.
I finished a few weeks ago. As someone else stated, going behind really won't work because of the turbo. I routed it in front of the bridge and while the line isn't collapsed it does "deform" at one point a little. I tried a different piece, different routing, etc. and always had some measure of deformation.

I will say that it is probably still better than stock even with a slight deformation.
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2006 GMC CCSB 4WD McRat EFI Live , Kennedy dual lift pumps, Champion Stage IV tranny, Mike L converter, cooler and C3 oiler, Suncoast Brace, Eaton E-Locker, Caltracs, homemade pulling hitch, homemade limit blocks, H2's and cooper STT's, Predator, MBRP Cool Duals (not kitty or muffler), EGR blocker, Finger Stick, and all on headlight mod.

80 K20ish Reg Cab Long Bed, Full Roller 496, Manual TH400, Torque Converter Techniques converter, 3:1 planetary setup, NP205, High Angle driveshafts, 4.56's, 35's, Lockers F&R, Dakota digital dash, and custom interior.

www.matpa.org
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Old 05-20-2017, 06:02 PM
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Mine worked fine in front, good luck!
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