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In over my head
 
Join Date: Aug 2007
Location: Ottawa
Posts: 211
Anti Seize on intake manifold bolts - good or bad?

I am about to reassemble my intake manifold after doing a venturi delete. I know that the bolts (the 8 socket head cap screws) can often be hard to remove. Does it make sense to use anti-seize on them to ease the task next time? Is there any risk to doing so?

Thanks in advance.

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Fergus
86 951 Graphite Metallic
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Old 04-23-2008, 02:05 PM
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That Guy
 
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Join Date: Mar 2003
Location: San Diego, CA
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No risk. Check and retorque after a few hundred miles. The problem with antiseize is it makes it very easy to over torque fasteners especially in our butter soft aluminum blocks / heads. Generally there is a specific value you should add for anti-seized fasteners (in addition to the factory #). I am not a fan of having to over torque anything on the aluminum block or head personally. Helicoils are easy to do, but i dont like them that much.
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Jon
1988 Granite Green 911 3.4L
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Old 04-23-2008, 02:58 PM
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I don't use anti-seize but I normally add a little bit of blue loctite. Those bolts like to back out.

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Alex - PCA Polar Region - Boxster Muncher
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Old 04-23-2008, 03:58 PM
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