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rickofudall
Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA
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 Posted: Fri Jun 03, 2011 6:29 am Post subject: Pennzoil Air cooled two stroke oil |
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Awhile back I posted a request for information about the compatibility of Pennzoil Air Cooled two stroke oil and Pennzoil Marine two stroke oil. The question came up again because a customer's airplane with a 582 has Air Cooled in both the injection and rotary valve reservoirs and my stock of Air Cooled is nearly gone. This morning I called Shell's technical hot line (Shell Oil owns the Pennzoil brand). The answer is, Air Cooled CANNOT be mixed with Marine or any other oil that meets the TC-W3 specs. The additive packages are incompatible and will cause coagulation. So, the systems have to be purged of the Air Cooled oil when a change over is made (Air Cooled is no longer available once stocks are gone, if they aren't already).
So, if you or your customers are using Pennzoil Air Cooled you might want to start thinking about the necessary service to purge the system(s).
Rick Girard
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Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
[quote][b]
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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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| Posted: Fri Jun 03, 2011 10:25 am Post subject: Re: Pennzoil Air cooled two stroke oil |
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Hi Rick,
The TC-W3 marine oils has always been a bad idea to mix with other oils. If you use such an oil and you need to add some other oil because you are out or away from home then you may have a mixing issue. Here is a good 2 stroke oil that seems to have a vary good track record and engine longevity.
http://www.amsoil.com/storefront/ait.aspx
| | - The Matronics RotaxEngines-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
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