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One Piece at a Time: My 1985 Diesel Suburban

That leak developed quickly; puked a quart in about 30ft.

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Back to the shop, where I will RTV the oil drain.

David
 
I’m exhausted. I went ahead and pulled the turbo and saw where the gasket failed. It’s only good luck I puked a quart and didn’t lose pressure.

For now, I’m going to ignore the voices in my head that are saying, “build an o-ring connection for the drain,” and just do the simple thing and RTV a new paper gasket.

Here’s the offset I built today.
A429FB5A-253E-408D-8C94-A83C8BE09FBF.jpeg

046CE341-7AB5-4DBA-B705-AC09C8B9606C.jpeg

Initial impressions of the turbo are all positive. I’ll be more detailed once I get some miles on it without making concrete look like asphalt.

I’m going to the coin-op tomorrow.

David
 
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I’m exhausted. I went ahead and pulled the turbo and saw where the gasket failed. It’s only good luck I puked a quart and didn’t lose pressure.

For now, I’m going to ignore the voices in my head that are saying, “build an o-ring connection for the drain,” and just do the simple thing and RTV a new paper gasket.

Here’s the offset I built today.
View attachment 274893

View attachment 274894

Initial impressions of the turbo are all positive. I’ll be more detailed once I get some miles on it without making concrete look like asphalt.

I’m going to the coin-op tomorrow.

David

Simple paper gaskets work just fine, it's all that I've used on my turbo drain.

It should be a very solid performer with the new turbo.

Look at you being all fancy with the bead roller. How much did that set you back?
 
Simple paper gaskets work just fine, it's all that I've used on my turbo drain.

It should be a very solid performer with the new turbo.

Look at you being all fancy with the bead roller. How much did that set you back?
I cut a fresh pattern out of a bulk role of heavy gasket material and applied a thin bit of silicone. It’s setting up while I drink another cup of coffee.

I’m very eager to get back rolling. So many new reference points - power, EGT, boost.

That’s the Furick tubing bead roller - only one rated for 16ga stainless. It wasn’t cheap ($375), but custom tubing - exhaust, intake, cooling - is something I’ve kind of gotten into doing for other people. One job will pay for it.
O ring that shit
...it’s bad when the voices in my head are registered on CK5. And replying.

David
 
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All right, gents. HE351CW install and integration is complete. Testing and tuning now commence.

Around town, boost builds quickly up to 8psi, and is very responsive. Highway cruise is 7psi, and jumps quickly if prodded. EGTs are way lower, too. From idle to cruise, every reference point is 100-150F lower than with the TE06H.

There’s no detectable black smoke, either, which means I can turn up the fuel and pull out just a bit of timing. The objective is more area under the torque curve; not just more peak torque.



I love working on and driving this truck. It consistently rewards high effort projects.

David
 
All right, gents. HE351CW install and integration is complete. Testing and tuning now commence.

Around town, boost builds quickly up to 8psi, and is very responsive. Highway cruise is 7psi, and jumps quickly if prodded. EGTs are way lower, too. From idle to cruise, every reference point is 100-150F lower than with the TE06H.

There’s no detectable black smoke, either, which means I can turn up the fuel and pull out just a bit of timing. The objective is more area under the torque curve; not just more peak torque.



I love working on and driving this truck. It consistently rewards high effort projects.

David
That’s awesome, you almost kept up with that hyundai. Lol, JK! Looks like it runs great.
 
I hit like 5 times, but it would only register once.
Thanks man! Let’s hookup for a burger or something on y'all's way through Dallas.
That’s awesome, you almost kept up with that hyundai. Lol, JK! Looks like it runs great.
Appreciate that; lots of new performance reference points to get accustomed to. Good eye on the import spotting. I can never tell all those plastic clad cars apart.

I have some running around to do today to change out my argon and other small tasks, so that’s also testing time. Also, I’ll start the process of installing the air-oil separator in the CDR circuit. Still lots to figure out there.

David
 
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FYI - I put the Banks TE06H in short term storage today. It, along with some other bits from the 6.2L Banks kit, will all be for sale in the not too distant future.

I’ll post it here before listing elsewhere.

David
 
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Wednesday is for putting shiny new parts on dirty old trucks.

Air-oil separator, needs a bracket:
E28248A6-8BFB-4B03-8A14-3540FD2F77AC.jpeg

Stainless flex section. I found some pretty decent fatigue cracks where those exhaust hangars mount. Lots of vibration coming from up front.

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David
 
Have you ever had a leak with the old Stanadyne box filter setup?

e28248a6-8bfb-4b03-8a14-3540fd2f77ac-jpeg.275171
 
Have you ever had a leak with the old Stanadyne box filter setup?
Nope. I’ve had a worn out o-ring on the bleeder screw, but the base itself hasn’t leaked. I have an eye on an upgraded dual filter setup, but that’s for later.

David
 
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