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Thanks! I don't know what the torque will be, but from what I've read the horsepower will be in the 300 - 315 range? I can only add so much fuel before the EGTs get too hot for the pistons.

Thank you! It will be fun to have jakes and a turbo on my truck - it will be making all sorts of fun noises 😁

I like your idea & I think that would look great, but the way they mount under the bracket I would lose the ability to bolt them to the bracket. If I make a pair as a floating intermediate hose separator w/o a bracket I will do that.

Due to drill bit wander some of the sides were not perfectly flush so they got ground to match and then polished up a bit. The holes were intentionally undersized so that I could drill them to the final diameter after the two halves were mated together; 31/64" for the small hose and 5/8" for...

Today i finished the support brackets for the surge / reservoir tank hoses and the jake brake wiring. I looked and couldn't find clam shell type hose clamps that i liked and that had both a 5/8" hole and a 1/2" hole so I made my own out of 3/8" 1018 carbon steel. These started out very messy...

OK, here's a sneak peek of my surge tank hose and oil feed hose mockup. Here I'm just measuring the hoses to cut to length and most of the parts are still in the white but the intention is there. My engine (manufactured in 4-81) only has the oil sample drain port as a source of supply oil for...

Thanks! One of the most detailed parts is almost done but not quite there yet...more to come.

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...