Stop in for a cup of coffee

halifaxhops said

Find a pair of 904 port then and then valve job and mill the surface to straighten them out. After you have them checked for cracks.

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I have a pair of 452:s in the basement, fluxed, cleaned and ready to get new guides, valve job and porting. I've been offered to buy them for $350 but after I put the machine work into them, they're another $6-700.