Porsche aircooled valve guide replacement . Valve guide manufacturing . And general overhauling

Baard2000

196

3 0

Published 2022-11-05

Long talk about valve guide wear in Porsche aircooled cylinderheads . Why drilling out to keep ceramic insert intact. Choice of machining the guides and choice of material . Machining of valve guide bore after installing guides in cylinderheads. Too much to write diwn. Enjoy !