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PT7475 turbo pushing oil out exhaust housing

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Old 05-07-2013, 07:35 AM   #11
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Ordering one of those and one of these today

Oil Inlet Restrictor - .065" hole size 1/8" NPT (for Journal bearing and larger GT BB) : atpturbo.com

Question is should the line feed into the restrictor then the check valve then the turbo

Or

Line into check valve then restrictor then turbo?
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Old 05-07-2013, 07:41 AM   #12
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Doesn't matter, really.
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Old 05-07-2013, 07:49 AM   #13
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Rick sais check valve right on the turbo

Found this nice write put too

$8 oil restrictor, how to - LS1TECH
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Old 05-07-2013, 08:00 AM   #14
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Yep that's a way to do adjustable on the cheap.
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Old 05-07-2013, 09:45 AM   #15
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Just called precision again, Grant told me the turbo does not need a rebuild. with a total of ~15 min idle time and no load at all, its fine. he said the seal is like a piston ring and the oil pushes out of the gap in the ring, its not like a rubber seal that blows and once it leaks its fucked. so thats good.

im having the check valve over nighted and will make a restrictor with the nitrous fitting.

Thanks to every one for your help!!

oh and i ended up going with the check valve part number 7768K65 its the male / female 1/8 both side. Ill screw that right into the top of the turbo and screw my 90* 1/8 by -4 fitting into. ill cut the cone off the AN side and put a jet in there. hook up the feed. mount it, and fire the bitch.

Precision also said if it leaks right away, let it run for a couple mins. it might have left over oil in it.

If this ******* thing still leaks, im pushing it out in the road and tossing a road flare through the windshield.

Last edited by Choda; 05-07-2013 at 11:57 AM.
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Old 05-07-2013, 10:08 AM   #16
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I don't think it will leak. I learned about that check valve the same way when I had my rear mount lol. You're good now.
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Old 05-07-2013, 10:08 AM   #17
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before that just send the piping and turbo to me lol. keep us posted im sure you can get everything corrected and that beast moving pretty quickly.
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Old 05-07-2013, 11:57 AM   #18
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the piping and turbo wont fit under a truck man, this is a jeep srt8.



smokeshow, im gonna run the restrictor with the check valve. just to try everything possible. if it doesnt leak after a few days of driving, i can always remove it and see if it leaks without the restrictor.
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Old 05-07-2013, 12:10 PM   #19
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Just make sure the way you plan to install the check valve since it's male/female is the correct direction of flow for it!
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Old 05-07-2013, 01:21 PM   #20
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yes, i will be screwing the check valve into the top of the turbo and the 90* 1/8npt x -4 AN. their site says that it can be installed in either direction and the CHICK on the phone also told me it can me mounted in any direction.

I ran home on lunch to make sure i have the fittings and jets to make a restrictor and I do. Good thing i have stock loads of parts and misc fittings from previous builds.
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