Exhaust Valve Seat

[Pete]

Originally Posted by DJ S

I have a damaged hardened valve seat (1.625”).. It will need to be increased to the next size. Is there enough “meat” in the block to accept a 1.750” valve seat on #4 exhaust?

The OD of a new seat ring does NOT necessarily have to be that big.
A simple sonic test should show how much meat is left in the area.
If the shop you are dealing with can not figure that out, you need a different shop.
That is a simple fix.