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If u have a big enough drain u wont need a restrictor......at least thats what the general consensus is.

What weight oil do u use? 10w30 or 10w40?
What size is ur drain line? Hole in pan?
 

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What weight oil? I got a restrictor from ebay worked great.
 

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VSracing can get you what you need, I use him alot is an awesome guy!
VS Racing

I did not run a restrictor on my 70mm or my 76mm with a -3 feed, -10 return
 

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Discussion Starter #6
I believe i need one bc my exhaust smokes and then will clear up and then smoke. i have no restrictor as of right now just a 4an feed and 10an return. I run 5-30 oil
 

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I dunno if this works in a -4 line but could use a pen cap. Done it before but not sure what the line size was. Is at least a free way to experiment and see if that truly is what you need. Some people use old nitrous jets as well.


Sent from my iPad Nano
 

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I was thinking to do the same thing and I called Precision and they said not to do it. IIRC they said that with journal bearing turbos there is no need.
 
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