YAVOD (Yet Another Valley of Death) Teardown - Island Twin Turbo Edition

[kdumont]

Do these gaskets (or others) require gasket seal, like permatex? Can't seem to find that documentation.

[DMC5180]

Do these gaskets (or others) require gasket seal, like permatex? Can't seem to find that documentation.

They don’t require it. But some people like a belt and suspenders approach. Permatex great stuff is popular supplement that DMCMW uses in combination with the regular gaskets.

[kdumont]

It's been a lot of planning and cleaning, but finally making some progress. Here's the latest with...

- Y-pipe reinstalled
- new coolant reservoir installed
- new water pump
- all new silicone coolant hoses
- new stainless coolant temp sensor
- new spark plugs

All stainless bolts with anti-seize.

IMG_0223.jpg

For better or worse, the turbos are keeping things interesting... You might notice the alternator mounted on the top of engine instead of the bottom. I've actually been able to reverse the sides of the large coolant hoses going to the water pump (shorter one on the left, longer one on the right) to make room for the alternator and turbo pipes. It works ALMOST perfectly with the new replacement coolant temp sensor. It just sticks out about 5 inches too far with a right-angle fitting.

IMG_0220.jpg

My solution is to take ~2-3" off each end of this coolant pipe.

IMG_0224.jpg

I've called a local machine shop to see if they can put the ridge back in the coolant pipe, but honestly not sure how big of a deal this is.

In other news, I didn't realize the alternator belt is not the standard length (I should've checked), so I have a new one on order, as well as a longer tensioner. Once that's done I'll replace the rest of the fuel lines and start putting the air intake manifold back together.

[FABombjoy]

not sure how big of a deal this is.

It would be better to have than not.

Ask around and see if they have a bead roller, which is the best tool for the job. You can weld a bead on but that's way more prep & work. You might be able to find a local club on Facebook or something and someone might have a roller. I have one and am always looking for a chance to make the buy-in price worth it.

If so, you don't need to anneal original pipes as they will roll/bend cleanly as is. If you get stock 1.25" tube to make up a new section you will likely need to torch it first.

[Bitsyncmaster]

I replaced all my coolant pipes a long time ago. There are a few stock pipes without the bead. Looks like they had to cut those shorter to fit. I've not had any leakage with my silicone hoses on those pipes without the bead.