Originally Posted by newultraclassic
Personally, I don't think that 4,000 miles per quart is excessive oil consumption, If you can get them to install the updated oil seals that would be fine.
Air cooled engines will normally consume some oil.
My shovelheads don't use that much oil in 4000 miles. They don't even leak that much in 4000 miles
IMO, it does not mater how much oil the engine consumes, the valve seals should not leak. If they leak, it is a problem and it has a fix.