>
> HMENTZEN@aol.com wrote:
>
> > Right now I'm using 20/50 weight oil in my Spit. I drive
> > the car all winter in MA. Its less than 5 miles to work each
> > day and I'm wondering if a lighter weight oil would work
> > better in cold weather situations. TIA!
>
> I would highly suggest switching to at least 10W40 for
> the winter in MA. At some point of chilling, 20W50
> becomes too thick to be pumped by the oil pump. From
> what I can find out, this is about 10F for 20W50
> Castrol GTX. 5W30 Castrol GTX should be good down
> to about -15F. For best protection against hard
> starts, and extra wear from jello-like oil, switch
> to a synthetic.
>
> There is an excellent article by Ed Hackett on the
> VTR WWW pages which covers this topic:
> http://www.vtr.org/maintain/oil-overview.html
>
> My conclusions from that article are that I would
<SNIP>
>
> Synthetic oils of the same ratings have much lower
> "pour" points, and can be used at much lower
> temperatures. From what I can see from the charts,
> synthetics are good for about 30 more degrees:
>
> "Synthetic" Oils:
> 20W -20F
> 15W -30F
> 10W -40F
> 5W -50F
>
> --ken
> VTR WWW Maintainer -- http://www.vtr.org
> '70 & '74 TR6 Daily Drivers
>
> --
> Kenneth B. Streeter | EMAIL: streeter@sanders.com
> Sanders, PTP2-A001 |
> PO Box 868 | Voice: (603) 885-9604
> Nashua, NH 03061 | Fax: (603) 885-0631
>
I don't drive my SPit in the dead of winter unless it's 40+ degrees with the
sun shining (which actually happens quite a bit in Colorado) But if I did
drive it daily in the winter, I would definately be using synthetic oil
and 30w in the tranny.
Mike
79 Spit
|