Should I use a oil restrictor for my bT67 - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 12 Old 05-03-2011, 04:03 PM Thread Starter
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Should I use a oil restrictor for my bT67

Turbonetics t67 had a puff of smoke come out of the car a few days ago at idle. Worried my new turbo might be getting hurt. Original turbo started to make my car smoke really bad. Replace it with the t67 and no smoke. Don't want to buy another! Stock oil pump. Oil feed coming from stock sending unit location. Should I use a restrictor? What size?

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post #2 of 12 Old 05-03-2011, 09:14 PM
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Ball bearing or journal bearing?


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post #3 of 12 Old 05-03-2011, 09:21 PM
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What is your return line setup like?

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post #4 of 12 Old 05-03-2011, 09:31 PM Thread Starter
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Journal bearing and feeds from drain strait down to oil pan at the top of the front oil pan section.
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post #5 of 12 Old 05-03-2011, 09:35 PM
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That should not need an oil restrictor. Not sure you should be stressed over a small puff. Could something even have dripped onto the exhaust near the outlet?

1989 Saleen 89-425 all original + Baer 6P Brakes
1990 Saleen 90-137 heavily modded
1989 Shadow Blue Metallic Hatchback LX
[email protected] -- 94mm T4 True Street Trim
Thanks: Baer, Haltech, UPR, National Parts Depot, Meziere, Weldon, BBRC
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post #6 of 12 Old 05-03-2011, 09:41 PM
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What size is the return? I personally only needed restrictor once and really had to experiment with sizes. But I had a mesquio truck effect and not just a single puff.

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post #7 of 12 Old 05-03-2011, 11:41 PM
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Yea my pte70mm had the same problem(misquto truck) with a -8 return. Im upgrading to -10 now and I hope the problems fixed. Im going to rebuild it and use it to break in the new motor for a little while and work out some kinks befor I put a expensive turbo on my car.

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post #8 of 12 Old 05-04-2011, 10:30 AM Thread Starter
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Not sure what size it is, I would have to go look to see but I know it is a large hose. I would guess around 1/2 inch or maybe 5/8 rubber hose.
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post #9 of 12 Old 05-13-2011, 12:05 AM
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I think you'd be fine doing a restrictor.I always ran a nitrous jet in the line as a restrictor on my old t88 combo and I'd think that bigger turbo would even need more oil than a 67. Journal bearing turbos need less oil than I thought.

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post #10 of 12 Old 05-13-2011, 05:51 PM
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I had Reed at WorkTurbochargers build me a pair of gt35's, and i asked him about restrictors and he said, "if any journal bearing turbo needs a restrictor its because its not put together right".

He told me to run -4 feed lines with no restictors.

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post #11 of 12 Old 05-15-2011, 09:34 AM
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Quote:
Originally Posted by longstroke View Post
I had Reed at WorkTurbochargers build me a pair of gt35's, and i asked him about restrictors and he said, "if any journal bearing turbo needs a restrictor its because its not put together right".

He told me to run -4 feed lines with no restictors.
Precision gave me the exact same guidance.

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1990 Saleen 90-137 heavily modded
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post #12 of 12 Old 05-15-2011, 10:22 AM Thread Starter
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Thanks for all the input! I will just leave it the way it is.
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