[Healeys] Oil Additives

[Bob Spidell]

My understanding is that, yes, you CAN have too much ZDDP.  At higher 
levels, zinc and/or the phosphorous in ZDDP can microscopically etch 
metal surfaces.  I believe ZDDP was initially used for its detergent 
properties, before its protective properties were noticed (but can't 
prove it).  A pretty graph here, and you can always search on 'can there 
be too much ZDDP:'

https://aaoil.co.uk/123579-2/


On 4/26/2020 9:15 AM, Roger Grace wrote:
> Interested to see that you feel it necessary to add additional zinc. 
> VR1 already has 1300 ppm ?
> Is there a consensus on what amount is actually needed? Think that you 
> can have too much too ?
> Am a VR1 user but don't add anything.
> rg
>
>
> ----- Original Message -----
> From: Bruce Steele <healeybruce at roadrunner.com>
> To: wwycoffbn7 at aol.com, 'healeylist' <Healeys at autox.team.net>
> Sent: Sun, 26 Apr 2020 08:41:40 -0600 (MDT)
> Subject: Re: [Healeys] Oil Additives
>
> I add a bottle of Red Line break-in additive with my annual oil change 
> of Valvoline VR-1 20W50 racing oil.
>
> Bruce Steele
>
> Brea, CA
>
> 1960 BN7
>
> *From:*Healeys [mailto:healeys-bounces at autox.team.net] *On Behalf Of 
> *wwycoffbn7--- via Healeys
> *Sent:* Saturday, April 25, 2020 2:48 PM
> *To:* healeys at autox.team.net
> *Subject:* [Healeys] Oil Additives
>
>
> Hello,
>
> Tagging on to Michael's comment on ZDDP in oils, what additives do 
> folks tend to use in their oils.  Products like Red Line's "Engine oil 
> beak-in additive"  or something from NAPA, etc.?
>
> Having seen worn cams and pitted tappets, there is a desire to keep 
> that sort of wear from happening as best as one can.
>
> Bill
>
>

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