Can anyone tell me who can supply Valves to suit 1920 Model W Harley flat twin motor.
also does anyone make Valve guides or have drawing sizes to make the valve guides to suit.
is there a special material Cast iron to make the guides from?
Is it better to leave Valves and Guides without lubrication or lubricate them before a run,
after reaming out guides a few years ago they have not lasted very long at all with some lubrication?
It was another question I did not ask my father 30 odd years ago.
also does anyone make Valve guides or have drawing sizes to make the valve guides to suit.
is there a special material Cast iron to make the guides from?
Is it better to leave Valves and Guides without lubrication or lubricate them before a run,
after reaming out guides a few years ago they have not lasted very long at all with some lubrication?
It was another question I did not ask my father 30 odd years ago.
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