Bronze valve guides.....????
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Senior User
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Bronze valve guides.....????
What are the advantages/disadvantages to using bronze guides as opposed to iron (is that what comes OEM) ...???
What are the best valve seals to use on a street motor...? I guess you can't run umbrella seals with dual springs....
What are the best valve seals to use on a street motor...? I guess you can't run umbrella seals with dual springs....
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Joined: Jun 2003
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well many heads, the guide hole can be knurled, if it's worn, but having it reamed and a bronse guid is really fairly standard now days..........the bronze works better and if it gets worn can have a new one installed........but the bronze generally is considered the best over steel inserts or over an iron headed guide itself........they look neat to..........
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Joined: Jul 2002
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From: Long Island USA
There is no problem with bronze guides except the expense of the labor.
I installed the silicon-bronze ones, because of the extra lubrication, and, I guess, heat transfer.
I have dual valve-springs with positive-lock valve stem seals.
I installed the silicon-bronze ones, because of the extra lubrication, and, I guess, heat transfer.
I have dual valve-springs with positive-lock valve stem seals.
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