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Thanks! I’ll definitely be learning a lot with this set up. All I know so far is to avoid a low gear in the main while running high in the auxiliary. Better to multiply torque with the auxiliary.

I'm actually pretty happy with the final gearing. The 5 speed, being an overdrive, with the 395's I sit at around 60 mph at 2200. I mainly want the auxiliary box so I can have two more gears (3 over, 4 under) between 3rd and 4th. I also like shifting twin sticks. And I also like the double...

I already spent over an hour searching the forum. Scrolling through 15 page threads etc., so I tried. I found mention of them, but that's it. I paid my dues! Where are they!

I’ll post everything as I do it. Maybe in lots of threads though, because it’s gonna drag out for a lot of years. I just finished building a 57 ft. trailer to pull behind the 30 ft. 5 ton, so I’ve been busy with that. It’s important to always be doing something stupid.

This is Thor about 12 years ago. A lot rougher looking now. I’m removing the wheelhouse and lowering the main structure about 2 1/2 ft. It’ll be 12 ft tall at that point. Wooden superstructure, steel hull, Detroit 6-71, Twindisk transmission. 40 ft long x 13 ft wide. I’m cutting the side...

I’ll post one up!

That is not something I had even thought of….

That sounds like a great story!

Trailer‘s about done. Wiring needs finished. Air brakes are done. I have a good test drive video but not sure if I can upload that. Maybe YouTube…

I joined a facebook group called "Cummins 855 enthusiasts" and asked around. There are a bunch of old retired truckers with decades of experience working all kinds of 855s. The general consensus is that the small cams like to rev a bit. Some "ran them at 2400 all day for 20 years" kinda...

If you're sure you need to pull it, then I'd look at something with a turbo because, why not? but I just turned up my rail pressure to 200 psi, shimmed the governor to 2400, put in new injector screens and the NHC 250 really changed it's attitude. Big girl's got some "grunt".

My plan is to stick to mostly highways and truck stops (to take advantage of the space, parking and easy refueling) and I’ll be carrying a landrover and several motorcycles to ride into towns and parks etc. I’ll be using the all wheel drive and ground clearance in Alaska, the deserts of the...

That's very close! I'll have to check out his profile. I'd like to see more of that truck. That "bullnose" hood of the 809's is my favorite feature. Such a great shape. I'll be leaving the front of it alone, but a 50 lb turbo sticking out of it... I just can't resist.

Thank you! You just saved me 5 hours of driving to get to the truck and now I can start fabricating. I really appreciate that.

This is a big ask, but does anybody have the dimensions of the exhaust manifold where the muffler bolts on? The dimensions between bolt hole centerlines, the diameter of the exhaust outlet, the overall dimensions of the flange…? It would save me about a 5 hour round trip drive if anybody does.

Ahhh ok. I didn’t know that. This’ll be a very one off deal. I’m not even gonna keep the turbo and plumbing from sticking through the hood. It’s more of a rat rod than anything.

I‘m hoping to use the 250 manifold by making an adapter to fit between it and the turbo. I already have what I need, so it should only cost me time.

Long term plan for this truck is to be a MadMax type rig for living in when I retire. 40' trailer for shop/living quarters built on log trailer suspension, so I can take it off road a little. Cab will be a '53 International Metro van body. Anyway, I'm adding a K31 turbo. It's the type found...

After filling in the pitting on the rim bead with a stick welder and grinding it smooth, then painting.… I mounted the rims using a handful of grease (to help seal against the rim during inflation). All 4 are mounted and holding air.

I ended up filling the deeper pitting with the stick welder and blending it in with the flapdisk. Really quick and easy and I’m a lot more confident the bead will seal now.