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One Piece at a Time: My 1985 Diesel Suburban

Get an led flasher unit for a heavy duty flasher so they won't blink fast.
 
Sometimes "progress" needs air quotes. It's really just tidying up loose ends so you can move on to the next major segment. After a long weekend camping and wheeling with friends, it was good to get some nights back in the shop.

Admin work: spent some time going back and forth on radiator drawings, getting the final fittings on order, and burned in all the parts that have only been tacked up to this point (center brace, cooler mounts, condenser mounts, intercooler mount tabs). Here it is, the last bare metal shot:
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Modified RuffStuff trick tabs made the perfect mounts for the AC.

With the welding done, I covered the bare metal in a coat of Eastwood internal frame coat. The handy nozzle extension shoots the mixture into the enclosed spaces created by the torque boxes. I had also laid several additional tacks along the bottom of the core support to reinforce the factory spot welds, so the inside of the horizontal brace needed a coating, too.

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This stuff dries fast! As I type, it's been maybe 15 mins and you can handle the larger flat surfaces. Good stuff.
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Next up:
Plumbing.

David
 
Last drawing from Ron Davis. I'll check it against my mockup tonight.

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David
 
It's a dual pass setup; wanted one for a while now. With all the other modifications, it's not too much to fab a crossover for the return side.

More on that once I get the core back in the truck.

David
 
I learned a ton this weekend.
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Once the drink wore off (the following day), I was back out in the shop. Having never plumbed hard lines, I took my time. As is common to our hobby, the first line took several hours and a few iterations to develop the process. The second one went fairly quickly; all 3/8" aluminum line and -06 fittings for the transmission cooler.
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Im pleased with these results. Now to the engine oil cooler and it's slightly less wieldy 1/2" lines.

David
 
I like it.

I really would like to use all AN fittings all the time.

I think I just need to make a list and start buying a couple a month
 
I really would like to use all AN fittings all the time.

I think I just need to make a list and start buying a couple a month
I'm a recent convert, and I think it's the best way to build with mileage and long term use in mind.

The tube collars and nuts are inexpensive, as is the tubing. It's the hose fittings, bulkhead adapters, and transitions that add up, and quickly. Summit has free shipping on orders over $100, so I let my list grow until I hit that.

Added reference:
The Imperial tubing bender I'm using from Summit has a 15/16" bend radius, and total distance traveled of 2" (measured to outer edge of tube) for a 90* bend. I like round numbers.

Here's a build thread I referenced as a primer for bending:
http://www.forbbodiesonly.com/moparforum/threads/modern-bullitt-build.80384/page-12

David
 
Short night.

Started with a cleanup of the bench and work area, and then verified the last dimensions in the radiator drawing. Gave Ron Davis the go-ahead, and it's now headed to production.
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I've been stewing on where to place the bulkhead connectors for weeks now. The driver side of the core is crowded, but I settled on this very small corner near the headlight.
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Need to make a small relief in the panel so the lower fitting rotates freely. It's a very tight squeeze, and a mild deformation of the bulkhead mounting surface could bind the fitting.
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David
 

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