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@WillWagner was right about pulse manifolds having smaller ports for higher velocities. This mismatch seems a bit much, but the new metal gaskets are what came with the manifold so maybe they're compatible. I typically don't like things that impede airflow like that and it's a challenge to...

The reservoir tank needed a lot of attention internally as there were large amounts of rust scale that came out and continued to come out of it. I pounded the out side with hammers without denting it, then filled it with sharp gravel and shook the crap out of it and then filled it with sand to...

A lot of progress has been made on painting parts and getting them ready to install. I had to reorder paint twice now which is a 1 week delay each time but I've got about 97% of the parts finished 😁 I drilled & tapped a bunch of holes in scrap angle iron to hold my manifold bolts and that...

While I'm waiting for paint to dry i have time to catch up on household stuff and replenish the drained supply of brownie points I've cashed in working on this turbo. The only change I've done recently is to remove the pipe plug and replace it with the oil drain tube fitting.

The plastic strip can be sewn back on. I did mine with a double saddle stitch.

Good idea, Will - I'll take a closer look at that when I get to final assembly

Well, I'm getting down to the nuts & bolts details and I've been painting parts as they're ready. For the high temp parts (manifolds to exhaust stack) I'm using Dura Heat 2.0 and I finally got far enough along to get a start on that. This paint is made for firearm suppressors and it can handle...

Just an anecdotal story here but growing up in the Columbia Basin i would watch farmers harvesting potatoes that had M813s and M814s mixed in with their fleet of KWs, Peterbuilts, and Freightliners. These 6x6s were able to climb the hills that the civvy trucks couldn't (no mud, just 1 to 1.5...

This weekend was all about freshening up the paint on the RH side of the engine. Before I always thought my engine had OD Green and Cummins industrial tan parts added to a charcoal gray engine, but after degreasing and pressure washing it I'm convinced that the entire engine is still gray...

The M809 series TMs call for 130-167 lb-ft

My neighbor said he put 2 million miles on his small cam but he said you have to be smart with your foot to keep from burning a piston.

To change the direction of the tank's outlet pipe i sourced a 1 1/4" mandrel bent 90° stainless elbow with rolled beads from a fuel filler neck company and then shortened one leg to allow it to fit between the tank pipe and the engine block. The TIG guy said that "walking the cup" was...

The relocation of the surge/reservoir tank to the firewall has been an ongoing, slow but painful sort of project. Originally it mounted to the exhaust manifold bolts so I wanted to keep its install height close to that in case it affects its function. I clamped a corner square to the manifold...

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.