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Old 08-13-2015, 01:39 AM   #1
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Default Gt2560 s14 t28 oil inlet threads

I've searched and Google'd but I can't seem to find a definite answer. What are the threads on a t28 journal bearing turbo not the bb. I'm trying to buy an adapter from the oil Intel to a -4an. I think it is m11x1 threads (7/16-24) but not hundred percent sure. And for an oil restrictor can I just use a -4an male to female .06. Then an adapter from -4an to whatever the turbo inlet is? Sorry if it's been covered but I can't find any solid info on it.
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Old 08-13-2015, 02:00 AM   #2
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You are indeed correct, it is the 7/16"-24
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Old 08-13-2015, 02:16 AM   #3
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Ok thank you is it ok to use a 4an restrictor right before the 7/16 to 4an adapter on the oil inlet ?
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Old 08-13-2015, 08:45 AM   #4
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You can buy the fitting with a restrictor from kinagawa. Just make sure you choose the correct one. It will list BB or journal bearing.
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Old 08-13-2015, 09:47 AM   #5
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<p>
Amazon.com: Vibrant 10287 7/16" x 24" Oil Restrictor Fitting: Automotive Amazon.com: Vibrant 10287 7/16" x 24" Oil Restrictor Fitting: Automotive
</p><p>This is the fitting I went with, as it comes with multiple &quot;jets&quot; to change the restriction. Just make sure you screw in the right one.</p>
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Old 08-13-2015, 11:49 AM   #6
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So I ended up buying an unrestricted adapter from the oil feed hose to the turbo. And I bought the 4an male to female restrictor .03. My friend works at a machine shop so I'll just have him drill it out to .06. Thanks for all the help! It might be time for me to start a build thread. This 99 will be boosted in no time.
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Old 08-13-2015, 11:50 AM   #7
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I wasn't sure about the adapter with the jets cuz it didn't list the size of them.
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Old 08-13-2015, 12:42 PM   #8
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Quote:
Originally Posted by Schuyler View Post
<p>Amazon.com: Vibrant 10287 7/16" x 24" Oil Restrictor Fitting: Automotive</p><p>This is the fitting I went with, as it comes with multiple &quot;jets&quot; to change the restriction. Just make sure you screw in the right one.</p>
I've got the same fitting. Works great.
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