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 Post subject: Turbo slant 69
PostPosted: Sat Jan 28, 2017 8:45 pm 
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4 BBL ''Hyper-Pak''
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Joined: Sun Jul 05, 2015 10:51 pm
Posts: 46
Location: Hollister, Ca. 95023
Car Model*: 1968 Plymouth Barracuda slant 6 super six 4 speed.
Hey slant sex crew, my club cab power (boosted) wagon turbo slant 6 build just started, got a few questions. Using a 1987 Buick GN Garrett turbo planning on using 5-7 psi of boost max. I would like to know what kind of head gasket you guys and gals would recommend? Also, this buick turbo has the oil inlet and outlet. But, where and how do I cool the turbo? Coolant inlet and outlet are absent on this turbo.

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PostPosted: Mon Jan 30, 2017 12:06 pm 
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TBI Slant 6
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Joined: Tue Sep 18, 2012 12:02 pm
Posts: 126
Location: Lincoln, NE
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Oil is used to both lubricate and cool on some turbos. Sounds like yours is that way. My Holset is the same.

Another reason to think about an oil cooler...

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 Post subject:
PostPosted: Mon Jan 30, 2017 7:38 pm 
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Joined: Mon Oct 21, 2002 11:08 am
Posts: 12136
Location: Blacksburg, VA
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You should be fine with any head gasket at that boost level. I would torque/retorque bolts to 75+ ft-lbs. Make sure you have a max ign advance of about 22 deg under full boost, and A/F ratio of 11.5:1 or 12 max. Get a WB O2 sensor. AEM is the best, IMHO.

Lou

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