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Next I started working on something I’ve been excited to get going on because I think it’s going to be really cool when it’s done. I’ve been wanting to do some kind of a heat extraction system to help get the heat out from under the hood. I didn’t want to do anything in the hood because I...

I finished up the modified mid pipe today, too. This is how much I had to jog the pipe around that brace under the cab to get clearances right, it was straight before….sheesh.

Final test fit before paint. Tons of heater hose clearance, which is nice and everything else fits nicely as well.

With the tight bend the cobra head allowed, I was able to step up to 3.5” diameter tubing. I used some 45 degree elbows and sections of straight to make a routing I was happy with. I have figured a tip out while making these pipes - I taped the joints together with masking tape to temporarily...

I got the downpipe rework done and it turned out really well. I had to trim a bit off the cobra head to make it fit the space I had. Interestingly I found that the main body of it is double layer and at the outlet there were actually 3 layers of tubing at the junction. I cut the factory turbo...

Thank you, sir!

I’ve been waiting for downpipe parts, so one thing I did in the meantime was make the turbo drain. I cut off the tube from the block drain and welded a -10 AN weld fitting to it. I also got a -10 AN stub for the turbo. Finally I made a hose using the same -10 braided hose I used for the oil...

TRICK OR TREAT!! This one is good until 10/31/25. 316920899253246176

Yeah, in hindsight it would have been nice to move it. I also would have leveled the flange the turbo bolts to because the stock 6.5 angle makes drain clearance more difficult.

Ummm…..more difficult than originally thought. First, I went out Sunday to get started. First thing was moving the truck over to my project stall. I don’t remember what got me under the truck, but when I did get under there I noticed I had more issues than just the downpipe - there was exhaust...

I’m going to mockup the core support and inner fender, plus put the AC line in place so I can truly see what my envelope is and then optimize the downpipe to fit. I’m still shocked how tight it is. I think the way I did the #8 tube ate into my space more than I understood.

Got the cab on today. Took longer than I anticipated, but the task is done. Unfortunately I found that the downpipe hits the cab - even when it’s detached from the turbo. I thought I was going to have tons of room with where I put it and have the best heater hose situation I’ve ever had, but...

I’d really like to have the hot side coated in this stuff, but it isn’t cheap so I’d need to make sure my design all works how I want before I make that investment. If I am happy with it, I could blast the stuff and send it to them or make a new setup and send it to them for coating. This way I...

I’d like to wrap them, but the old manifold was rusting under the wrap so I didn’t want to promote that happening again.

The crossover isn’t any lower than the diff skid plate so it’s ok. The pics are deceiving.

I sandblasted the manifolds and hit all the welds on the rest of the pipes with a stainless wire wheel. After that I painted the manifolds, crossover pipe, down pipe and resonator/muffler with KBS Xtreme Temperature Coating. And finally I wrapped the crossover and downpipe with DEI header wrap...

This evening I loaded the chassis up and took it to a local cruise-in, just for funsies. Also had to pop the hood on the Tahoe.

Remote oil filters are installed. I used a Canton remote oil filter adapter and Fragola -10 AN lines and fittings. I bought the oil filter mount a while ago and can’t remember the brand.

Expires October 17th 315164357253246176

It took 2 days, but I finally have the post-turbo exhaust done (mostly). I installed an FTE Diesel muffler/resonator on it again because the sound was great and I had zero drone in the cab. It’s 409 stainless. All tubing is 304 stainless. I started TIG welding all the joints. Oof. That...