Obviously somebody doesn't know that else this thread wouldn't exist.
surfnturf wrote:

Lead free gas has extended life of plugs so much that it doesn't really
matter what you pay for them.

"Vito" wrote in message
...
Jack Rye wrote:

Platinum come in both hot, cold , and normal heat range plugs for your
volvo.

That's a fact, but I doubt the economics of using such expensive plugs
is such a mundane application; sort of like using premium gas in a car
designed for regular.