<VV> Oil

[mark at noakes.com]

I put 140Kmiles on the rebuilt engine in my 61 Lakewood while using 
Mobil 1. No leaks; no engine problems.

Mark N

On 10/25/17 2:25 PM, BBRT via VirtualVairs wrote:
> I get a LOT of trade publications in the automotive field. Never heard that synthetic oil wears seals, rubber or otherwise.
> Ethanol affects seals.. Reported numerous times plus other ill effects. VITON seals are great for static seals like o-rings on push rod tubes. Not so good for rotating surfaces.
> Chuck S
>
> -----Original Message-----
> From: VirtualVairs
> Sounds like an old wive's tale to me. Can you forward a link to the offending article?
>
> ----- Original Message -----
> From: "Richard"
>
> I just read in one of those ASK THE EXPERTS columns that synthetic oil can ultimately wear away rubber seals in the engine.  I know synthetic is better for hotter running engines....I was about to put it in my 66 Monza but now I don't know.     Richard Simoff
>
>