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rhipsher · 08-06-2011

I've used Royal Purple for a while then switched to Amsoil which is even more expensive than RP but it has the right amout of zinc. Plus Corey Henderson said Amsoil offers the best protection for our cars. Amsoil is not always easy to get.

08-06-2011	#8
rhipsher Join Date: Aug 2008 Location: Houston, TX Posts: 2,314	Re: A very old question but here goes I've used Royal Purple for a while then switched to Amsoil which is even more expensive than RP but it has the right amout of zinc. Plus Corey Henderson said Amsoil offers the best protection for our cars. Amsoil is not always easy to get.