| To: | Brian Evans <brian@uunet.ca> |
|---|---|
| Subject: | Re: trans oil |
| From: | Trevor Boicey <tboicey@brit.ca> |
| Date: | Mon, 02 Mar 1998 18:13:06 -0500 |
| Cc: | Vllas <Vllas@aol.com>, spridgets@Autox.Team.Net |
| Organization: | BRIT Inc. |
| References: | <2.2.32.19980302140003.00a32b78@pop.uunet.ca> |
| Reply-to: | Trevor Boicey <tboicey@brit.ca> |
| Sender: | owner-spridgets@Autox.Team.Net |
Brian Evans wrote: > > Don't forget that motor oil (the 30W option) and gear oil (the 90w option) > are measured on different viscosity scales, I have no idea why. It's "at simulated operating temperature". The viscosity index is actually the same but motor oil is tested at "some hot temperature simulating an engine" and the tranny oil is tested at "some less hot temperature simulating a tranny". (very technical description!) This makes gear oil numbers higher, because they are thicker because of the low testing temperature. -- Trevor Boicey Ottawa, Canada tboicey@brit.ca http://www.brit.ca/~tboicey/ |
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