Valve seat restoration

Before                                                                             After

Chevrolet 292 truck inline 6 cylinder head with a bad case of exhaust valve
seat recession, a common problem with older engines without unleaded seats.

Click on pictures below for greater restoration detail.

seat1.jpg (24021 bytes)  seat2.jpg (26774 bytes)  seat3.jpg (20286 bytes)  seat4.jpg (26479 bytes)  

Click here for example of aluminum head repair. Repair

Click here for example of aluminum head modification. Mercedes 230

 

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Last updated: September 20, 2021