Classic Car Engine Additives

Bill Pomponi · 01-26-2009, 12:55 PM

ZDDP Additive for Classic Cars with non-roller lifters

As I understand the it, the phosphorus has been removed because it plates-out on catalytic converters, causing them to fail.

Here is the web site of an additive supplier. http://www.zddplus.com

Any comments/suggestions??

Greg Barsamian · 01-26-2009, 01:33 PM

Read Hot-Rod magazine article, June 2006 "When Good Cams Go Bad"

01-26-2009, 12:55 PM	#1
Bill Pomponi Member Join Date: Sep 2004 Location: North Granby, Connecticut Posts: 212 Likes: 0 Liked 0 Times in 0 Posts	Classic Car Engine Additives ZDDP Additive for Classic Cars with non-roller lifters As I understand the it, the phosphorus has been removed because it plates-out on catalytic converters, causing them to fail. Here is the web site of an additive supplier. http://www.zddplus.com Any comments/suggestions??

01-26-2009, 01:33 PM	#2
Greg Barsamian VIP Member Join Date: Jan 2002 Location: Central Massachusetts Posts: 1,386 Likes: 628 Liked 392 Times in 85 Posts	Re: Classic Car Engine Additives Read Hot-Rod magazine article, June 2006 "When Good Cams Go Bad"