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Old 06-10-2015, 02:28 PM   #1
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Default Chinacharger oil feed location & restrictor

This is the turbo I'm going to be running. I have no idea if it's BB or JB. How can I tell??
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From this picture, this is how it's mounted to the Flyin' Miata manifold. The hole you see, is that where the oil feed bolt/line goes? Because there is another hole on the right side that looks like it has some type of restrictor in it.


Here's the other hole on the side. It's a little smaller. Is that a restrictor in there? Reason I ask is because of the location of these holes. Would I be able to run the oil feed into this hole on the side? Or do I have to clock the compressor wheel to put this hole on the top? Hopefully I'm not sounding ridiculous. Just need some help.
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Old 06-10-2015, 09:01 PM   #2
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I ended up clocking the compressor so that hole with the restrictor looking thing is on the top. That has to be the oil feed. But does anybody know whether this is a BB or JB? And going from that, should I need some type of banjo bolt restrictor?
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Old 06-13-2015, 10:58 AM   #3
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^Anybody?
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Old 06-13-2015, 11:48 AM   #4
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first shot is water port, second oil feed port.

all turbos need restrictions. that's a journal bearing more likely than not. spin the compressor wheel, if it doesn't feel spin like a skateboard wheel with BBs then's its not BB.
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Old 06-13-2015, 12:37 PM   #5
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^Gotta be a journal. But is that a restrictor built into the turbo? Would I still need a restrictor bolt for the feed?
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Old 06-13-2015, 12:56 PM   #6
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that's not a restrictor.
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Old 06-13-2015, 01:59 PM   #7
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What is it? And run a restrictor then? Or go without
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Old 06-13-2015, 09:09 PM   #8
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I went ahead & got myself a restrictor but will run without it at first. If I have any problems with over oiling, I'll throw the restrictor in. I'm running a -3an braided line & then a -10an oil drain line.
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Old 06-13-2015, 09:12 PM   #9
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Default Chinacharger oil feed location & restrictor

Use it.
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