LBZ: is moving everything necessary?

Jetty LBZ

work in progress
Jan 24, 2011
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middle TN
iv seen several different twin setups but they all make move the battery, coolant reservoir, and stock intake. i know there's no way around moving the fuel filter/primer but why everything else? the EPR twin setup is the only one that looks like it would let you leave the those things in the stock location. could someone explain this to me?
 

Burn Down

Hotrodder
Sep 14, 2008
7,092
28
48
Boise Idaho
Trents kit moves all that stuff to... It's for more room on some things and heat protection on others. There is a guy with twins that didn't relocate the battery or the coolant tank. Not sure how his setup has faired though.
 

GeneralTJI

Turbo Todd
Jun 1, 2010
1,272
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Colorado
Not sure why that's such a big deal? You have to make room one way or another.... It can be done without moving all of that stuff, but as Burn Down mentioned it may or may not be worth it.

Personally if I was trying to do it without moving everything, I would cut a hole and stick half the turbo through the hood :D

Maybe get a small battery for that side of the truck (put it behind the headlight down in the hole in front of the fender liner- if you could get it low enough to still have room for a filter?), smaller coolant res.
 

Dallas S

Active member
Jun 17, 2009
486
33
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Alberta
theres abit of room when you use a different coolen res. I used one from a Sunfire(some other GM cars use it too). I rotated the battery 90*, coolent res right in front, and then turbo. the down pipe is close to the res but no problems so far. down pipe is wraped and there is 2-3" to the coolent res. biggest issue was finding a tight 5" 90* for the air filter. air filter points downwards infront of inner fender, behind headlights.
 

bonescarolfi

New member
Sep 3, 2008
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Marshfield WI
I left the fuel filter in the stock location on mine. The stock pre turbo air intake has to go because you don't use it with twins. Relocating the batt isn't a big deal. If you dig around on here there's a part number for the battery tray that you need to put it on the frame and the cables are plenty long to reach. And the coolant resevoir is easy to move or replace too. I'm going to put a different one in this spring cuz I think the stock one is ugly. Overall relocating stuff is the easy and cheap part. For me it was just the cost of some coolant hose. And didn't take long at all.
 

Jetty LBZ

work in progress
Jan 24, 2011
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middle TN
i would be ok with a smaller coolant tank in stock location and i like the idea of turning the battery 90*. i just dont want to have my battery mounted on the frame or wired through the cab beneath the back seat. this sounds like the EPR kit would work if i did all that but i would leave my stock aluminum intake with heater but im not sure the turbo tube would fit beside it. i would connected the turbo to the stock intake and just remove the top most likely. id also like to leave the aluminum intake with the grid heater but dont know if the turbo pipe could fit beside it.
i would like to see someone stick the turbo through the hood to and just have stack sticking straight up. it would look BAD A!:D
 

ripmf666

Active member
Sep 20, 2006
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Wentzville Mo
i would be ok with a smaller coolant tank in stock location and i like the idea of turning the battery 90*. i just dont want to have my battery mounted on the frame or wired through the cab beneath the back seat. this sounds like the EPR kit would work if i did all that but i would leave my stock aluminum intake with heater but im not sure the turbo tube would fit beside it. i would connected the turbo to the stock intake and just remove the top most likely. id also like to leave the aluminum intake with the grid heater but dont know if the turbo pipe could fit beside it.
i would like to see someone stick the turbo through the hood to and just have stack sticking straight up. it would look BAD A!:D

The way your wanting to keep the grid heater and stock inlet the link below this kit does that but you still have to move the battery it comes with the new tray to do it.
http://www.duramaxdiesels.com/forum/showthread.php?t=28932
 

coldLBZ

New member
Apr 22, 2007
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I'm going to ASSume that you tap into the stock oil feed for the factory turbo to feed the S475, but you will have to drill an oil return in the oil pan.
Edit: I do not have twins, I'm just going off what I've seen and read.
 

ripmf666

Active member
Sep 20, 2006
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do you have to tap a hole for the oil line on the new turbo or does it connect to the stock oil line?

Adapter goes on top of stock oil feed then the other line feeds over to the S475. If you go to my link and look in the pics it shows it on the stock turbo.
 

Jetty LBZ

work in progress
Jan 24, 2011
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middle TN
would there be a way to put an extension between it and hook it up? im just against drilling holes unless theirs no way around it.
 

770JOHNNYW

New member
Sep 16, 2009
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Gainesville ,Ga
I would just get rid of or move your battery , coolant tank and fuel filter! it really opens that passenger side engine compartment up....less clutter.
 

Jetty LBZ

work in progress
Jan 24, 2011
404
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middle TN
Why do you want to leave the stock intake that's crap delete the egr an put a nice clean intake on it leave the battery an coolant tank delete the rest the garbage
the figured the stock intake filters more is mainly why and i have a EGR blocker plate but id like to just take off the entire EGR system and machine some kind of block to mount the aluminum intake on.
 

ripmf666

Active member
Sep 20, 2006
15,123
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Wentzville Mo
the figured the stock intake filters more is mainly why and i have a EGR blocker plate but id like to just take off the entire EGR system and machine some kind of block to mount the aluminum intake on.


Its easier and cleaner taking the stock intake and grid heat off and deleting the egr and running a LB7 up pipe.
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