[Healeys] FW: Oil again

Oudesluys coudesluijs at chello.nl
Mon Jun 22 11:48:45 MDT 2015 

As far as I know SG is the highest rating suitable for most classic cars 
incl. AH's. They have supposedly the minimum safe zinc content.
Kees Oudesluijs



Bluehealey schreef op 19-6-2015 om 9:04:
> Spot on Bill.
> Both technically and philosophically.
>
> Alan - from my iPad
>
> On 19 Jun 2015, at 00:58, WILLIAM B LAWRENCE <ynotink at msn.com 
> <mailto:ynotink at msn.com>> wrote:
>
>>
>>
>> ------------------------------------------------------------------------
>> From: ynotink at msn.com <mailto:ynotink at msn.com>
>> To: michael.oritt at gmail.com <mailto:michael.oritt at gmail.com>
>> Subject: RE: [Healeys] Oil again
>> Date: Thu, 18 Jun 2015 03:08:45 +0000
>>
>> I see I'm late to the party on this topic. I was up in the Rocky 
>> Mountains participating in the Glenwood Springs Rallye when it 
>> started and frankly I wish I still were. However, at the risk of 
>> being called ignorant, uninformed, commie pinko or whatever I have a 
>> little information that may be of help in sorting out the oil confusion.
>>
>> Engine oil comes in generations as defined by the additive packages 
>> which are blended in to tailor them for specific purposes. These 
>> generations can be traced by the API codes which are located on the 
>> container.
>>
>> The API code is two letters found on the label. The first letter is 
>> either a C, which denotes the oil is intended for use in a 
>> compression ignition engine, or an S which denotes it is intended for 
>> use in a spark ignition engine.
>>
>> The second letter denotes the type of use intended and follows the 
>> development of the internal combustion engine from the most primitive 
>> (A) to the most sophisticated (I think they are at O Now). protective 
>> amounts of zinc were dropped from the additive package at SM. Any oil 
>> before that, or say from SD through SL, still contains zinc.
>>
>> It may be true that zinc is not necessary for engines after the 
>> camshaft break-in, but I prefer to be cautious on that score so I 
>> look for oil that is SL or earlier. I'll let the more informed and 
>> adventurous members conduct that experiment...
>>
>> Some heavy duty oils such as Chevron Delo or Rotella are rated for 
>> both compression ignition and for spark ignition service and will 
>> show both a C and an S rating. In some cases those oils will still 
>> have an SM or later rating.
>>
>> The one oil type I have found that is reliably rated below SM is four 
>> stroke motorcycle oil because motorcycles don't have catalysts. 
>> Typically it is rated SF or SG. Since the oil has no way of knowing 
>> it is being run in an automotive engine and my Healey doesn't know 
>> the oil it's spewing is meant for a motorcycle I have been running 
>> Castrol 4T in 20W-50 grade quite happily.
>>
>> As for the controversy part, if we start banning contentious topics 
>> we soon won't have anything to talk about like most modern college 
>> campuses.
>>
>> Bill Lawrence
>> BN1 #554
>>
>> ------------------------------------------------------------------------
>> From: michael.oritt at gmail.com <mailto:michael.oritt at gmail.com>
>> Date: Sat, 13 Jun 2015 06:14:11 -0400
>> To: javrugtman at htcnet.org <mailto:javrugtman at htcnet.org>
>> CC: healeys at autox.team.net <mailto:healeys at autox.team.net>
>> Subject: Re: [Healeys] Oil again
>>
>> We ALWAYS talk about oil and no one seems to have the answer, so we 
>> simply keep talking about it.
>> For a change let's talk about politics or religion, two topics which 
>> are susceptible to absolute rectitude. Many or most of us do not have 
>> the correct answers on either and someone here--perhaps an unknown 
>> lurker--may choose to now come forward with his or her enlightenment 
>> and reveal it to us.
>>
>> To mix a metaphor, I now listen with a jaundiced eye.
>>
>> Best--Michael Oritt
>>
>> On Fri, Jun 12, 2015 at 7:45 PM, John Vrugtman <javrugtman at htcnet.org 
>> <mailto:javrugtman at htcnet.org>> wrote:
>>
>>     politics and religion, like water and oil, don't mix.  On the
>>     other hand, oil and Healeys mix very well.
>>     JAV
>>
>>     On 6/12/2015 7:16 PM, Richard Kahn wrote:
>>
>>         I think topics like politics, religion, and oil should be
>>         taboo. There is no best in any of these topics.
>>         Rich Kahn
>>
>>
>>
>>
>>     _______________________________________________
>>     Support Team.Net <http://Team.Net> http://www.team.net/donate.html
>>     Suggested annual donation  $12.75
>>     Archive: http://www.team.net/archive
>>     Forums: http://www.team.net/forums
>>
>>     Healeys at autox.team.net <mailto:Healeys at autox.team.net>
>>     http://autox.team.net/mailman/listinfo/healeys
>>
>>     Unsubscribe/Manage:
>>     http://autox.team.net/mailman/options/healeys/michael.oritt@gmail.com
>>     <http://autox.team.net/mailman/options/healeys/michael.oritt%40gmail.com>
>>
>>
>>
>>
>> _______________________________________________ Support Team.Net 
>> <http://Team.Net> http://www.team.net/donate.html Suggested annual 
>> donation $12.75 Archive: http://www.team.net/archive Forums: 
>> http://www.team.net/forums Healeys at autox.team.net 
>> <mailto:Healeys at autox.team.net> 
>> http://autox.team.net/mailman/listinfo/healeys Unsubscribe/Manage: 
>> http://autox.team.net/mailman/options/healeys/ynotink@msn.com
>> _______________________________________________
>> Support Team.Net <http://Team.Net> http://www.team.net/donate.html
>> Suggested annual donation  $12.75
>> Archive: http://www.team.net/archive
>> Forums: http://www.team.net/forums
>>
>> Healeys at autox.team.net <mailto:Healeys at autox.team.net>
>> http://autox.team.net/mailman/listinfo/healeys
>>
>> Unsubscribe/Manage: 
>> http://autox.team.net/mailman/options/healeys/bluehealey@gmail.com
>>
>
>
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation  $12.75
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
>
> Healeys at autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/coudesluijs@chello.nl
>
>
>
> Geen virus gevonden in dit bericht.
> Gecontroleerd door AVG - www.avg.com <http://www.avg.com>
> Versie: 2015.0.5961 / Virusdatabase: 4365/10062 - datum van uitgifte: 
> 06/20/15
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://autox.team.net/pipermail/healeys/attachments/20150622/d2e4eae4/attachment.html>

More information about the Healeys mailing list