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SA Classic Mini Forum › Technical Stuff › Mods that work - Classic Mini
hardened valve seats for Unleaded fuel

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hardened valve seats for Unleaded fuel
Boyscout Offline
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#13
10-17-2015, 10:21 AM
Only the Exhaust valves experience "micro welding" of the valve to the seat which leads to valve seat erosion. The inlet valve is constantly cooled by the cooler inlet air and does not suffer from valve seat recession. Nothing stops you from doing the inlet seats as well though.
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RE: hardened valve seats for Unleaded fuel - by Boyscout - 10-17-2015, 10:21 AM

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