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04-29-2021, 08:49 AM
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#1 |
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Registered User
Join Date: Dec 2016
Location: Glen Rock, NJ
Posts: 258
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Turbo help
New to turbos. Running a Borg Warner Airwerks S475 T6. Ordered an oil feed flange and this thing has a pin hole in it. Not sure if I need to drill it out or leave it alone?
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04-29-2021, 08:02 PM
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#2 |
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Registered User
Join Date: Apr 2012
Location: Chatt Tn
Posts: 957
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Re: Turbo help
some turbos need the small hole like that or they get too much oil and will push it thru the seals. not sure if thats correct for your turbo though. they use the s475 on diesels alot and don't use a restrictor like that.
__________________
88 military v30 crewcab shortbed 5.9 cummins, nv4500, 205 86 k30, 89 diesel burb, 76 gmc pathfinder 71 longbed 5.3 4l80 http://67-72chevytrucks.com/vboard/s...d.php?t=522535 |
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04-29-2021, 08:16 PM
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#3 |
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Senior Member
 Join Date: Mar 2003
Location: Colfax-California
Posts: 8,389
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Re: Turbo help
^^^what he said, too much will flood the seals. Call the manufacturer to confirm hole diameter. Personally the hole looks too small to me, but....
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04-30-2021, 11:51 AM
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#4 |
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Registered User
Join Date: Dec 2016
Location: Glen Rock, NJ
Posts: 258
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Re: Turbo help
Thanks. Was able to find some info on their website in the Q&A section. They recommend - 4an fitting with no restriction. Will have to drill it out.
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04-30-2021, 07:03 PM
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#5 |
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Registered User
Join Date: Aug 2020
Location: Salmon Arm BC
Posts: 137
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Re: Turbo help
No restrictor needed on BW turbos.
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1970 C10 l/b 292/4spd Build: http://67-72chevytrucks.com/vboard/s...d.php?t=811062 |
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