Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - threaded rod head studs
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Old 05-12-2007, 09:29 PM
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Blazin72 Blazin72 is offline
You got a leaky spark tube...
 
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Are you talking about using all-thread to hold the heads to the block? All-thread won't have the tensile strength to sufficiently seal the head to the block. That is not a good idea.

ARP head studs usually have a tensile strength higher than a typical Grade 8 bolt. I'd guess that most all-thread is Grade 3, maybe Grade 5 at best.
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