Duramax Diesels Forum Truck of the Week
  #61  
Old 11-06-2017, 07:21 PM
the_engineers the_engineers is offline
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So, I've been working on fabbing a new trans crossmember. It's a little rough, but it works. The hole on the left side is clearance for the shifter cable.




On a side note, the layout of the transmission end of the shifter cable for the Allison is completely different than the cable end for the 4L85E. Luckily, the whole thing doesn't have to be swapped as the break where the body section and the frame section meet appears to be identical. I had an extra cable, so I got a chance to disassemble on the bench. Not fun, but not impossible...
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  #62  
Old 11-07-2017, 07:50 AM
LCAC_Man LCAC_Man is offline
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Is the reason for the height to keep the same pinion elevation as the 4l80e had?
Just curious why you didn't just lower the rear of the allison and leave the floor uncut?
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  #63  
Old 11-07-2017, 08:17 AM
the_engineers the_engineers is offline
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I wanted to keep the same driveline angle...right now I'm tipped back about 3-4 degrees. If I had tilted it to clear the floor, it probably would have been closer to 10 degrees down.
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  #64  
Old 11-07-2017, 03:02 PM
LCAC_Man LCAC_Man is offline
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gotcha...I haven't put my cutaway cab on yet to see where mine falls. Hopefully between the extra angle and small body lift I'll clear it completely..
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  #65  
Old 11-07-2017, 05:59 PM
the_engineers the_engineers is offline
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If you can re-route the fuel lines, it'll buy you another inch or so...
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  #66  
Old 11-08-2017, 06:11 AM
LCAC_Man LCAC_Man is offline
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Quote:
Originally Posted by the_engineers View Post
If you can re-route the fuel lines, it'll buy you another inch or so...
I'm thinking about cutting and flaring the input fuel tubes on the engine and just coming off them with a 90dg fitting to get them out of the way. I already got rid of the egr completely and cut and capped the up tube. I still will need to customize the dipstick tube and buy some fore/aft clearance with it as well.
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  #67  
Old 11-08-2017, 08:45 AM
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ShopSpecialties ShopSpecialties is offline
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Quote:
Originally Posted by LCAC_Man View Post
I'm thinking about cutting and flaring the input fuel tubes on the engine and just coming off them with a 90dg fitting to get them out of the way. I already got rid of the egr completely and cut and capped the up tube. I still will need to customize the dipstick tube and buy some fore/aft clearance with it as well.
Have you checked Vulcan Performance for fittings ? They have a wide selection of quick connect fittings that might save you from having to cut/flare the fuel lines. I used some for when I did a little line re-routing and they worked great.
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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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  #68  
Old 11-08-2017, 09:04 AM
LCAC_Man LCAC_Man is offline
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Quote:
Originally Posted by ShopSpecialties View Post
Have you checked Vulcan Performance for fittings ? They have a wide selection of quick connect fittings that might save you from having to cut/flare the fuel lines. I used some for when I did a little line re-routing and they worked great.
I'll check them out...thanks for the lead!
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  #69  
Old 11-12-2017, 04:04 PM
the_engineers the_engineers is offline
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Crossmember is pretty close to finished. I'll take the plate for the trans mount to work on Monday and have our machinist slot the holes. Once it's together, I'm planning to have it powdercoated when I have my up- and downpipes ceramic coated.


Also picked up a drive shaft with a carrier bearing. Next task will be to start locating the crossmember for that. Can anyone post a pic of the stock truck carrier bearing mount?
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  #70  
Old 11-12-2017, 05:53 PM
LCAC_Man LCAC_Man is offline
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I cut down/mocked up my rear driveshaft today. I used/modified the 2 piece driveshaft and carrier mount from my cutaway van and just cut down the front half (for mock up purposes only).
I'll get it retubed and balanced later.
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File Type: jpg b82.jpg (175.5 KB, 29 views)
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  #71  
Old 11-19-2017, 06:28 AM
the_engineers the_engineers is offline
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A lot of non-picture progress. Front half of the driveshaft is at the shop getting cut down. Parts ordered for various issues, etc.

Also, my exhaust showed up. Len posted a link to the eBay auction on his thread on another forum. 4" Magnaflow stainless downpipe back for $170, shipped.
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  #72  
Old 11-19-2017, 08:55 AM
LCAC_Man LCAC_Man is offline
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Glad to see that link helped out...it is a killer deal on that system. I'm on travel this weekend and have guest in town for T-Giving so no progress for me for two weeks.
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  #73  
Old 11-19-2017, 03:32 PM
the_engineers the_engineers is offline
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1 cut and it's in. I still need to move all of the hangers, but WOW.






Sorry. I'm a sucker for pics and I'm excited...bad combo

Last edited by the_engineers; 11-19-2017 at 03:39 PM.
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  #74  
Old 11-20-2017, 06:59 AM
LCAC_Man LCAC_Man is offline
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Looks good...and the more pics the better; the express/savana van community has a lot of catching up to do with Ford E-series when it comes to builds/mods.
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