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Now that I have the cylinder head off and all is in good order.
Do i need to modifyi the exhaust seats for unleaded fuel.
Or is it Ok to leave as is?
They are hard material an…
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Now that I have the cylinder head off and all is in good order.
Do i need to modifyi the exhaust seats for unleaded fuel.
Or is it Ok to leave as is?
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They are hard material an should be fine. As a general rule of thumb it is only cast iron heads where the valve runs directly on the iron head as the valve seat that causes problems with unleaded fuel.