Woods, I've not said valve recession is a myth, I said it's pretty well irrelevant to stovebolt engines and the use folks here will put them to .... we're not discussing engines for use in destructive testing
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics