Intake air through supercharger
Senior Member
Joined: Apr 2006
Posts: 25,429
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From: Ontario
Re: Intake air through supercharger
FWIW, I have the hollow bolt. Rob just told me that they have been using the solid bolts for the past decade without issues. I stand on my belief that a hollow bolt with no pinhole at the top, does absolutely nothing. The bolt simply doesn't vent. Except for the hole at the end of the bolt threads, it's an enclosed chamber that measures in minimal c.c.'s As Spock would say, "Highly Illogical".
But I would like to know where the pinhole would be.
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Joined: Apr 2010
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From: Mendocino, CA
Senior Member
Joined: Apr 2006
Posts: 25,429
Likes: 613
From: Ontario
Re: Intake air through supercharger
Use your imagination or draw it up and you will see that the gap between the driving plates leads to the hollow bolt.
Forum Regular
Joined: May 2015
Posts: 618
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From: Central, Fl
Re: Intake air through supercharger
I studied your photos and tried to determine which of the bearings needed to be removed after heating in an oven to 800degrees F to melt the epoxy in a bearing groove to facilitate removal but I can not determine which of those bearings it might be. This info I got from Ed at PSC when he rebuilt my IHI SC and told me that most people that rebuild these do not heat the unit before removal thereby damaging the case. Good luck with your build.
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