Re: [Amc-list] flat tappet oil

[Davis Martin <martin-davis@xxxxxxxxxxxxx>]

Honestly I am not 100% but I don't believe detergent in oil is to pick up and suspend dirt It is to "scrub" the dirt from oil oil deposits. I would not and have been told long ago not to use heavy detergent oil in an engine that is already fairly clean.
   I believe the oil suspends the dirt and carries it to the filter to be cleaned. I think deterhents started in the 90's?
   Davis 

jayscore@xxxxxxxxxxxxx wrote:
  How are the detergent levels? I've always been told not to use racing oil in a daily driver because there is not enough detergent in the oil to pick up dirt and contaminants. 

Todd

----- Original Message -----
From: Davis Martin 
Date: Tuesday, March 18, 2008 8:07 am
Subject: Re: [Amc-list] flat tappet oil

> Ok That is not a normal walmart shelf oil. Also Phophorus is not 
> zink I didn't see it list ZZDP levels.
> It is also not under 2.50 a QT like the oils at walmart these 
> folks are looking at.
> Here is what I use. My machinist uses this when Joe Gibbs oil 
> is too expensive. 
> http://www.valvoline.com/racing/
> Note the Zink level is .12 and the phophorous level is .12. 
> The conventional oil is 3.50 a QT at my local Napa auto parts 
> store. Davis 
> 

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