On Fri, 17 Dec 2004 12:58:26 +0000, John Rumm
wrote:

However what is going to be the long term effect (if any) on the tyres
when they also use this oiled air supply to inflate the tyre after fitting?

Not a problem. It was, once upon a time, but for decades now car
tyres have used compositions that are fairly insensitive to common
car-related fluids. They have to be - it's just not practical to keep
them separate.

However don't wear your best Ectomorph when you're doing an oil
change. Latex _does_ suffer if you get mineral oils onto it.