Square four overhaul/valve guide seals etc.
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Re: Square four overhaul/valve guide seals etc.
hi i would not fit seals it need to get oil in the valve guides to lube them and slow the wear down
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Re: Square four overhaul/valve guide seals etc.
Modern definition of Valve stem seals from all manufactures regarding todays high performance engines.
Low friction and long term emissions control
Valve stem seals provide a defined metering rate of oil to the valve stem interface of internal combustion engines to lubricate the valve guide and minimize engine emissions. They are available for diesel and gasoline engines with and without boosting.Point of interest is a metered amount of oil to lubricate valve stems.
Mike Loehr
Low friction and long term emissions control
Valve stem seals provide a defined metering rate of oil to the valve stem interface of internal combustion engines to lubricate the valve guide and minimize engine emissions. They are available for diesel and gasoline engines with and without boosting.Point of interest is a metered amount of oil to lubricate valve stems.
Mike Loehr
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Re: Square four overhaul/valve guide seals etc.
Johnny's comment echoes my question about the use of seals, but Mike's post has answered it precisely. Thank you both.
The seals are designed to allow some oil to pass to provide lubrication, which sounds right.
The seals are designed to allow some oil to pass to provide lubrication, which sounds right.
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