[s-cars] oil consumption

[stefan13 at att.net]

The Pentosin claims to be a full synthetic, as does the Mobil 1.

Stefan

-------------- Original message from "Trevor Frank" <tfrank at symyx.com>: -------------- 


> 
> So don't know if this is it, but if you car is used to let's say dino 
> oil. Then for years all of the oil seal, the rubber itself is filled 
> will dino oil, and it's this balance of oil inside of the seal and 
> outside that keeps the oil seals from drying out..and lasting longer 
> than they would if there was no oil around or in them. When you switch 
> to a synthetic the base stock is different and although it is miscible 
> with the dino oil it will not replace it in the oil seals, and they tend 
> to dry out and then start to leak. So is this pentosin a dino oil or 
> maybe a synthetic blend? If so it might make sence, otherwise I am 
> wrong again...damn. 
> 
> -----Original Message----- 
> From: s-car-list-bounces at audifans.com 
> [mailto:s-car-list-bounces at audifans.com] On Behalf Of stefan13 at att.net 
> Sent: Tuesday, February 08, 2005 9:17 AM 
> To: s-car-list at audifans.com 
> Subject: [s-cars] oil consumption 
> 
> During the recent timing belt install, my mechanic changed the oil and 
> put Pentosin 5w-40 in the car. I previously used only Mobil1 10w-40 
> (green cap), which the car consumed at a rate of about 1 qt per 
> 3,500miles. with the 5w-40, the car uses absolutely no oil, nada, 
> zilch. Somehow, this seems counterinuitive, and I am wondering if this 
> is due to the viscosity or a manufacturing difference. 
> 
> As always, thanks for any input. 
> 
> Stefan 
> _______________________________________________ 
> S-CAR-List mailing list 
> S-CAR-List at audifans.com 
> http://www.audifans.com/mailman/listinfo/s-car-list 
> 
> ======= 
> Notice: This e-mail message, together with any attachments, contains 
> 
> information of Symyx Technologies, Inc. that may be confidential, 
> 
> proprietary, copyrighted, privileged and/or protected work product, 
> 
> and is meant solely for the intended recipient. If you are not the 
> 
> intended recipient, and have received this message in error, please 
> 
> contact the sender immediately, permanently delete the original and 
> 
> any copies of this email and any attachments thereto.