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Old 04-22-2013, 05:23 PM   #61
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Join Date: Apr 2011
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Location: Navarre, FL
What I Drive: 2005 Grey ZX4

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If you remember, my turbo oil drain goes directly into a hole in the side of the head that had a large plug from the factory. Of course they could not use something with a common thread size, they just had to come up with some oddball size that you cannot find hardware for. It is a 3/4 inch thread but the threadcount is very fine. So what I did originally is just stick the hose in the hole(it fit tightly). I know this is not very scientific, but it never leaked a drop. The real issue was that the hose was not made for oil and I knew that I would have to deal with it sooner or later. Well...the hose got really soft, so I decided to fix it more permanently.

I used a 3/4 garden hose adapter as seen in the pic below. I added a large o-ring that fits perfectly inside the smooth part of the hole before the threads.

I added a good amount of RTV to the threads and cross-threaded that sucker in. It is very tight and is not going anywhere!

Here is a pic of the oil drain on the bottom of the turbo.

I used an oil rated hose(same as I use on my oil cooler). There is no clamp on the adapter side because the hose is so tight that I could barely get it on to begin with. leaks and no oil drain issues!

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