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Re: Motor Oil And ZDDP - How Important Is It? DavidF #1036612 06/19/2014 5:54 PM
Joined: May 2006 Posts: 8,351 DANVILLE IL L LONGBOX55 'Bolter
LONGBOX55 'Bolter L Joined: May 2006 Posts: 8,351 DANVILLE IL	Originally Posted by DavidF I don't think VR-1 oil will hurt catalytic converters. That is correct. Valvoline has a proprietary ZDDP formula that prevents the phosphorus from burning off. That's what actually fouls the converters. Bill Burmeister

Entire Thread
Subject	Posted By	Posted
Motor Oil And ZDDP - How Important Is It?	54Belair	06/15/2014 2:08 PM
Re: Motor Oil And ZDDP - How Important Is It?	DavidF	06/15/2014 2:26 PM
Re: Motor Oil And ZDDP - How Important Is It?	Hot Rod John	06/15/2014 2:57 PM
Re: Motor Oil And ZDDP - How Important Is It?	don stocker	06/15/2014 3:58 PM
Re: Motor Oil And ZDDP - How Important Is It?	LONGBOX55	06/15/2014 4:38 PM
Re: Motor Oil And ZDDP - How Important Is It?	54Belair	06/15/2014 6:05 PM
Re: Motor Oil And ZDDP - How Important Is It?	Woogeroo	06/16/2014 1:21 PM
Re: Motor Oil And ZDDP - How Important Is It?	pfarber	06/17/2014 1:41 PM
Re: Motor Oil And ZDDP - How Important Is It?	DavidF	06/17/2014 2:04 PM
Re: Motor Oil And ZDDP - How Important Is It?	LONGBOX55	06/17/2014 4:17 PM
Re: Motor Oil And ZDDP - How Important Is It?	lefty1	06/17/2014 2:33 PM
Re: Motor Oil And ZDDP - How Important Is It?	Joe H	06/18/2014 1:43 AM
Re: Motor Oil And ZDDP - How Important Is It?	Mike B	06/18/2014 5:16 AM
Re: Motor Oil And ZDDP - How Important Is It?	Hot Rod John	06/18/2014 6:52 PM
Re: Motor Oil And ZDDP - How Important Is It?	pfarber	06/18/2014 6:34 PM
Re: Motor Oil And ZDDP - How Important Is It?	LONGBOX55	06/18/2014 6:56 PM
Re: Motor Oil And ZDDP - How Important Is It?	Hot Rod John	06/18/2014 7:04 PM
Re: Motor Oil And ZDDP - How Important Is It?	pfarber	06/19/2014 5:47 AM
Re: Motor Oil And ZDDP - How Important Is It?	Hot Rod John	06/19/2014 1:05 PM
Re: Motor Oil And ZDDP - How Important Is It?	LONGBOX55	06/19/2014 5:58 PM
Re: Motor Oil And ZDDP - How Important Is It?	Mike B	06/18/2014 8:06 PM
Re: Motor Oil And ZDDP - How Important Is It?	Hollow65	06/19/2014 6:30 AM
Re: Motor Oil And ZDDP - How Important Is It?	DavidF	06/19/2014 3:24 PM
Re: Motor Oil And ZDDP - How Important Is It?	LONGBOX55	06/19/2014 5:54 PM
Re: Motor Oil And ZDDP - How Important Is It?	64fleetside	06/19/2014 6:09 PM
Re: Motor Oil And ZDDP - How Important Is It?	LONGBOX55	06/19/2014 7:02 PM
Re: Motor Oil And ZDDP - How Important Is It?	Sedgewick	06/20/2014 4:42 AM
Re: Motor Oil And ZDDP - How Important Is It?	Hollow65	06/20/2014 4:56 AM

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