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Thank you! Much more pics and details to come. I've made some real good progress this week and I'm getting very close to painting my hot components.

I finished assembling the turbo oil supply hose using Fragola -06 PTFE braided stainless hose and matching 90° swivels; 9/16" male straight thread ORB on turbo end and 1/4" NPT male on the other. I also got a lot of metal massaging finished on the muffler mount. I got the top saddle...

I ended up finding the fittings at PSCpartsstore.com

I spent a ridiculous amount of time searching out fittings and hoses that looked factory for the radiator surge tank. I was trying to find that magic fitting that would give me a 90° swivel with an 3/8" NPT male or 1/4" NPT male and fit a 3/16" or 5/16" hose. I couldn't find such a fitting...

With this configuration and with the limited amount of space available to use on these 5-tons you definitely end up prioritizing form over function. For awhile I was contemplating a straight pipe exhaust where a flex pipe or true bellows would have easily fit in place of my muffler, but now the...

Today I'm disassembling all the exhaust components so I can degrease them and rough them up with maroon scotchbright pads before painting them with OD Green high-temp machine gun suppressor paint. While it’s apart I took some more measurements as promised. The 180° u-bend got whittled down...

Thanks Lonnie. Yes, I'm following your lead on this type of pipe routing. It looks so simple, but there are dozens of steps involved...

I drilled the exhaust port for the pyrometer probe and mine is a little too long as I suspected so I added a 1/4" NPT female to male adapter to take up some space. This is a special "interrupted thread" tap where the teeth on each flute cut a different thread. It makes tapping cast...

This must be some sort of hardened steel because my brand new drill bits had a hard time getting through it. Making these brackets out of 1/4" seems kinda overkill right now, but that's how the rest of the truck is anyways. I think 3/16" would have been perfect. These parts are also...

To support the weight of the stack with all of its leverage on the pipes and the pipes downstream of the muffler I decided to tie into the large fender support structure. With the muffler moving along with the engine vibrations and rocking and with the fender support being stationary I built in...

With the cardboard version looking close enough I got the parts laser cut out of 1/4" steel, then I deburred and polished the edges and had it bent up at work. I was able to talk a friend into MIG welding the pieces together and it turned out sick! Below are the only pics I have of making...

One of the TIG welders at work had these cool pipe stands that just made the setup super simple and dead nuts on. I'd never seen them in use before. This time I ground off more aluminization and it turned out better. Now this curve can be clamped on to the muffler so that all the pipes...

Next in line is the muffler which needed to be mounted as far forward as I could get and still leave the muffler clamps a straight piece of pipe to seal against. I ended up nibbling off about 5/8" off of each end of the muffler to get it to fit how I wanted. This included first extending the...

After much searching I was finally able to find the perfect 5" 180° mandrel u-bend pipe off of a seller on ebay (automods_llc) to come off of the turbo outlet. I wasn't sure if I would have to hack-n-whack to make it work but I figured this was the tightest I could find and I would have the...

With the pressure pipes fitted and cut to length it's time to roll some beads! A friend from work happened to have a bead roller that he had never used and broke it out just for my pipes! By the third pipe we finally got the hang of how to steer the pipe and locate the bead while we rolled...

This is the basic aluminum pressure pipe routing before I cut any pipes to length. Starting at the lower left and going clockwise there is a 3.5" 90° elbow, a 3.5" straight pipe, a 3.5" 90° elbow, a 3.5" 45° mandrel bent pipe, a 3.5" to 4" reducer 90° elbow, a 4" straight pipe, and lastly a 4"...

In an effort to compensate for the power loss of running 16.00-20s (still a future mod), I started accumulating parts for adding a turbo to my NHC-250. The direction I'm going is nothing new as @Lonnie has already laid the ground work for the turbo layout I'm using, but I was also inspired by...

It would make an awesome video to see those fire up and drive out under their own power!

Nice work! I'm sure your son had some choice words to describe the effort required. Even though you can't see it, in your mind you'll appreciate having it hooked up - especially when it gets cold again. It's 111° at my house right now so thinking about my heater makes my grimmice...

I had to try and thread or twist mine on since the reinforcement wire is spiral like a bolt thread. Getting the wire tip onto the duct opening, then twisting the hose on and then attaching the other end to the diverter box later seemed to work but it wasn't easy. Tore up my hands real good and...