Duramax Diesels Forum Truck of the Week
  #46  
Old 10-09-2017, 06:29 AM
LCAC_Man LCAC_Man is offline
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https://www.xtremediesel.com/edge-pr...saavfcealw_wcb
it gives you pretty much everything that you need...the only missing stuff would be the DIC specific stuff(oil change %, language and unit settings, etc...) but, none of the early duramax vans had that anyways, the only way to get that would be to use the truck or later van cluster.


Found the install manual, looks like it does more than I thought..
https://edgeproducts.com/installatio...2700_REV00.pdf
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Len Barron
2000 Express 155"wb Passenger Hightop

Last edited by LCAC_Man; 10-09-2017 at 06:53 AM.
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  #47  
Old 10-09-2017, 12:48 PM
the_engineers the_engineers is offline
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I had the chance to slide the Allison in place for a trial fit yesterday. It's a lot closer than I thought it would be. There's a crossbrace under the floor that the case vent hits, but it's very close.


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  #48  
Old 10-09-2017, 03:41 PM
the_engineers the_engineers is offline
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Len, I looked at the factory body spacers. Looks like they're iron/steel. I wonder if nylon will hold up. Also, I think you've talked me into the Insight CTS2.

I bought LB7-style PPE up-pipes today. $297 plus shipping from Diesel Power Products.
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  #49  
Old 10-10-2017, 06:15 AM
LCAC_Man LCAC_Man is offline
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Quote:
Originally Posted by the_engineers View Post
Len, I looked at the factory body spacers. Looks like they're iron/steel. I wonder if nylon will hold up. Also, I think you've talked me into the Insight CTS2.

I bought LB7-style PPE up-pipes today. $297 plus shipping from Diesel Power Products.
Body mounts are rubber injected/molded assy very similar in makeup to a motor mount. All the guys doing Duraburb conversions are using nylon body lift spacers (tapered from front to rear to get rid of the nose down stance) with no issues. I'm thinking something in the 1.5" range will make life a lot easier. The Allison is a big heat source so you're going to want some stand off/air space above it to keep the floor from getting hot, the more air space above it also helps keep the trans cool..
PPE makes nice stuff...I'm just to cheap to spend the money.
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  #50  
Old 10-10-2017, 12:20 PM
the_engineers the_engineers is offline
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The rubber around my body spacers is pretty beat, so i may just be seeing the steel "sleeve"...

The console in my conversion van is roughly 12 x 16. Plan is to cut the floor where that sits and build a riser 2" tall for that to sit on. I'll likely extend the riser towards the dash, but I need to put the donor doghouse back together so I can get good measurements for the HVAC duct that exits at the bottom of the doghouse.

That should give me adequate space around the Allison. More to come...
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  #51  
Old 10-11-2017, 05:29 AM
LCAC_Man LCAC_Man is offline
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Quote:
Originally Posted by the_engineers View Post
The rubber around my body spacers is pretty beat, so i may just be seeing the steel "sleeve"...

The console in my conversion van is roughly 12 x 16. Plan is to cut the floor where that sits and build a riser 2" tall for that to sit on. I'll likely extend the riser towards the dash, but I need to put the donor doghouse back together so I can get good measurements for the HVAC duct that exits at the bottom of the doghouse.

That should give me adequate space around the Allison. More to come...
Yeah, I haven't decided how much I want to cut out of my donor yet. After I mock it up with the body lift I'll make that decision.
I spent the weekend pulling the cab loose on the cutaway van so that I could get to all the van specific duramax stuff (and got most of that swapped on to my new engine) and I also got a start on the front radius arms for the new chassis. Also got the front inner fender structure cut off the cutaway that will be needed for the front clip swap/update.
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  #52  
Old 10-19-2017, 07:39 PM
the_engineers the_engineers is offline
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Not much to report for the last week...busy with family stuff. I did buy a few things, though...



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  #53  
Old 10-20-2017, 05:19 AM
LCAC_Man LCAC_Man is offline
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Here's a link to my build: http://www.dieselplace.com/forum/76-...lison-sas.html
There may be some reference material in it for you. I'm working mostly front axle install/suspension/steering/motor mounts now.
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  #54  
Old 10-21-2017, 05:21 AM
the_engineers the_engineers is offline
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The Allison is mocked in place. I'll need to re-route the fuel lines, but everything else looks pretty good.


Surprisingly, the Allison is actually several inches shorter that the 4L85E.


I cut a lot less of the floor than I expected.


My plan is to fab a temporary cross member (I forgot to order a trans mount) and get the thing back on the ground to measure for a driveshaft.
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  #55  
Old 10-21-2017, 09:52 PM
the_engineers the_engineers is offline
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PPE 3" downpipe showed up today...

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  #56  
Old 10-22-2017, 06:46 PM
the_engineers the_engineers is offline
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Temporary mount to hold the Allison via the original cross member. It's tipped back about 2-3 degrees.


Not sure what to do about the fuel lines. The van has a lift pump. I think it's fairly low pressure, but haven't found any specs. There's another thread on here that I'm reading about building your own fuel lines with pieces from Earl's.

With the trans secured, I was able to set the van back down on all fours and get a driveshaft measurement.


View from above...
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  #57  
Old 10-22-2017, 07:26 PM
LCAC_Man LCAC_Man is offline
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I was working my cross member today as well, I chopped out the entire raised center section and dropped the trans down, I'm increasing the drive train (downward angle) to 7dg, this will help my drive line angles and give me some more breathing room to the floor. Still a bit of work to do on it..
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  #58  
Old 10-22-2017, 08:07 PM
the_engineers the_engineers is offline
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I think I'm going to fab a new one from tubing. If I can get 2 x 3.50 x .188, that would be perfect.

If not, I'll get 2 x 3. I may add 1/4" plates front/back to help index the fuel cooler/filter set-up.

Have you looked at the shifter cable alignment? Looks like the bracket might be VERY close to the cross member...
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  #59  
Old 10-23-2017, 04:43 AM
LCAC_Man LCAC_Man is offline
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If I had realized the factory cross member was dual layered and had that nasty black wax/paint between the layers I would have started from scratch as well, by the time I figured it out I was already invested in modifying it...
Haven't looked at the shifter cable/mount yet. I've got to sort out steering and a track bar mount for the front axle.
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  #60  
Old 10-29-2017, 11:54 AM
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ShopSpecialties ShopSpecialties is offline
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That pump is actually just a prime pump not a lift pump. It is ECM controlled to only run for a set amount of time with key on - engine off. It shuts off when engine is running. If you run a truck tune the programming is not there for it and will not run at all. The factory fuel cooler is useless I would just eliminate it and run a cooler up front or remote unit with fans that would actually be beneficial.
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2006 Express 1 Ton Ext Dmax van. EFILive, Hella headlamps, Edge Insight CTS, TDK Bumper, TCI deep pan, B&M Super Cooler, Diamond Eye 4" Turbo Back - BYE BYE Kitty and ruffler, Synthetic front to back. Custom air intake with AEM dry filter, Kennedy lift pump, EGR cooler/valve delete.

Thanks:
Chad @ Alligator Performance
Jeremy @ Throttle Down Kustoms
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