<VV> oil question; using Bob Helt's chart

[shortle]

How about sharing this chart with the rest of us please. I also was hoping this info would be put into an easy to read/understand chart. Thanks.
Timothy Shortle in Durango Colorado 81301


-----Original Message-----
>From: Vairtec Corporation <Vairtec at optonline.net>
>Sent: Apr 14, 2011 4:05 PM
>To: virtualvairs at corvair.org
>Cc: BobHelt at aol.com
>Subject: Re: <VV> oil question; using Bob Helt's chart
>
>Neat chart, Bob, it provides the plain-spoken guide I was seeking.  
>Thank you for sharing it.
>
>
>Now, to ensure that I understand it correctly, I have grabbed a bottle 
>of Quaker State 10w-40 that I purchased only a few days ago for use in 
>my wife's modern car.
>
>Starburst on the front?  No.
>
>Two-letter designation at the top of the donut?  Not quite.  The top 
>half of the donut reads API SERVICE SN, so if what you mean is that the 
>two-letter designation should be at the 12-o'clock position, it isn't.  
>But if what you mean is that the designation should be in the top 
>portion of the donut, it is.
>
>Since the two-letter designation is SN, does it say ENERGY CONSERVING or 
>RESOURCE CONSERVING at the bottom of the donut?  No -- the bottom of the 
>donut is blank.
>
>So I reach the "OK to use" box.  Correct?
>
>
>Next I grabbed the only other oil currently in the garage, a lone bottle 
>of Shell Rotella T 15w-40.
>
>Starburst on the front?  No.
>
>Two-letter designation at the top of the donut?  Here again, it is the 
>top half of the donut, reading API SERVICE CJ-4/SM.
>
>Since the two-letter designation includes SM, does it say ENERGY 
>CONSERVING or RESOURCE CONSERVING at the bottom of the donut?  No -- the 
>bottom of the donut is blank.
>
>So again I reach the "OK to use" box.  Correct?
>
>
>Now, Bob, what about the carryings-on about zinc and phosphorous and 
>things not in modern oils that ought to be in our old cars?  Does the 
>guidance provided by your chart mean that I can not worry about this?  
>Or should I still seek out the oils that claim to have higher levels of 
>these ingredients and/or are marketed to the collector car crowd?  Or 
>should I add something like ZDDP Plus or Cam-shield?
>
>--Bob Marlow
>
>
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