I run the Platinum plus 4 plugs. They seem to smooth things out but not sure if the price is worth it. I have always run Bosch Platinums in my car. They were our #1 selling at AutoZone. C-man -- Email problems to: scirocco-l-probs@scirocco.org To unsubscibe send "unsubscribe scirocco-l" in the message to majordomo@scirocco.org