ZR-1 Net Registry Forums - View Single Post

Paul Workman · 08-05-2011

It's been said by those that make the stuff that it is best to buy oil with the needed ZDDP already baked in.

Here's info from a thread only a few down from yours, far as oil goes, and one from a pole question that has been going on for a while. The main concern is getting oils with the ZDDP rating they had when the engine was new, which is .12%. API SL or SG was the equivalent rating. Read on...

http://www.zr1.net/forum/showthread.php?t=3039&page=3

http://www.zr1.net/forum/showthread.php?t=15226

Do a search on filters, but I buy the Bosch filter (don't remember the # just now) from AutoZone. They can look it up on their database, which includes the ZR-1s, BTW, and filter that comes up is the Bosch that has the flapper in it so oil does not come gushing out when you remove it.

P.

08-05-2011	#2
Paul Workman Join Date: Nov 2007 Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri Posts: 6,466	Re: A very old question but here goes It's been said by those that make the stuff that it is best to buy oil with the needed ZDDP already baked in. Here's info from a thread only a few down from yours, far as oil goes, and one from a pole question that has been going on for a while. The main concern is getting oils with the ZDDP rating they had when the engine was new, which is .12%. API SL or SG was the equivalent rating. Read on... http://www.zr1.net/forum/showthread.php?t=3039&page=3 http://www.zr1.net/forum/showthread.php?t=15226 Do a search on filters, but I buy the Bosch filter (don't remember the # just now) from AutoZone. They can look it up on their database, which includes the ZR-1s, BTW, and filter that comes up is the Bosch that has the flapper in it so oil does not come gushing out when you remove it. P.