http://theoilguy.wordpress.com The Oil Guy - Keeping you up to date in the world of synthetic lubricants Wed, 04 Aug 2010 16:21:21 +0000 en hourly 1 http://wordpress.com/ http://s2.wp.com/i/buttonw-com.png http://theoilguy.wordpress.com http://theoilguy.wordpress.com/2010/08/04/panel-sides-with-pennzoil-on-ad-claims/ http://theoilguy.wordpress.com/2010/08/04/panel-sides-with-pennzoil-on-ad-claims/#comments Wed, 04 Aug 2010 16:21:21 +0000 Josh Sims http://theoilguy.wordpress.com/?p=6 ]]> This article talks about Pennzoil and Valvoline’s so-called warranty and the battle between the two on who’s came first. AMSOIL has offered their warranty guaranteeing a 1 year / 25,000 mile drain interval, since they created the first synthetic oil for automotive use in 1972. Check out AMSOIL’s warranty here –> AMSOIL Warranty

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