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Post Fiend
Joined: Apr 2008
Posts: 8,261
Likes: 15
From: Big Sky Country
Percy's "dead soft" aluminum header gaskets with Stage 8's locking header bolts, guaranteed to be a leak-free combo.
Cargo Master
Joined: Nov 2009
Posts: 2,364
Likes: 117
From: starship enterprise
i used those on the collectors and they leak. I tightened the bolts so tight that threads stripped on one bolt. Like I said before, My truck is a truck, It sees way more miles in the gravel, rocks, mud, water, and snow than the pavement.
Elder User
Joined: Jan 2011
Posts: 831
Likes: 1
From: Tanilba bay NSW Australia
Sounds like a band aid, but some of the larger industrial deisel manufacturers (Cumminsis one I believe) dont even use exhaust gaskets. They use a high-temp silicone sealant. I would be pretty confident that if you got the right stuff this would aid in sealing. I would also suggest that the flange is either too thin (very probable!!) and very likely warped
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75F1004x4
1973 - 1979 F-100 & Larger F-Series Trucks
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Jun 12, 2010 02:08 PM
