Hey guys, not sure if this has been posted before, I tried to search to see if it was but couldn't find anything so figured i'd share.

I recently purchase a Garrett gt35r. I started reading up articles on installs and just general technical info on it and came across a Garrett's article about water coolin. I strongly suggest you read it, its a pretty good read with a lot of good information. http://www.turbobygarrett.com/turbob...er_Cooling.pdf

If you do not feel like reading, i'll try to sum it up by saying that basically the turbo's CHRA needs to be rotated at least 20 degrees, so that the coolant lines line up with the water inlet being on the lower side, and the coolant outlet will be on the higher side. This will promote thermal siphoning, which should protect your turbo's bearing from being cooked by the remaining heat in the turbine housing, especially if you have a larger size housing. The reason being, its because after engine shut down, your turbo no longer has a oil suplly going to it that normally would absorb some of that heat and keep the bearings cool.

One thing im not sure about is if it still would work with banjo fittings because the hose would either go straight up or down. If anyone is familiar with this subject please chime in.

 

Interesting, I will have to check my MHI waterlines for orientation. I think the bottom up makes sense, I might have ran them top down when I redid them as others suggested no difference

 

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