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1994 K3500 extended cab dually

That's a tight bend off the turbo..

Might have been a good idea to move the turbo forward a bit..
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.
 
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 filter adapter and wrapped it in Design Engineering heatshield wrap.

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And finally today, the thing I’ve been waiting for finally arrived: a 6.7 Powerstroke cobrahead. Since I was unhappy with how the 3” downpipe was turning out, I remembered the Cummins cobrahead that Fellowtraveller used to talk about and went down that rabbit hole. That piece is pricey and was going to take some modifying to make it bolt up to the marmon flange on the turbo. Then I stumbled on the unit for the Ferd. It’s cheaper and since it’s sheet metal, more feasible to do any necessary mods to. Time to get started and see if it works for me. Hopefully it does, because if the marketing is to be believed, there may be a performance gain using this.

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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 filter adapter and wrapped it in Design Engineering heatshield wrap.

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And finally today, the thing I’ve been waiting for finally arrived: a 6.7 Powerstroke cobrahead. Since I was unhappy with how the 3” downpipe was turning out, I remembered the Cummins cobrahead that Fellowtraveller used to talk about and went down that rabbit hole. That piece is pricey and was going to take some modifying to make it bolt up to the marmon flange on the turbo. Then I stumbled on the unit for the Ferd. It’s cheaper and since it’s sheet metal, more feasible to do any necessary mods to. Time to get started and see if it works for me. Hopefully it does, because if the marketing is to be believed, there may be a performance gain using this.

View attachment 96044View attachment 96045View attachment 96046View attachment 96047
Looks nice, like everything else you do
 
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