Fw: [W126 Coupe] OIL VISCOSITY

[Vance Rowley]

Hi Peter,

 With you living in Sarasota, I don't know if you would have the full advantage of using the Shell Helix Ultra 5W-40. In fact there is a whole debate in the mbcoupes archives on using fully synthetic or not on the W126. I can only go off what I have read up myself and my own experience using fully synthetic. The only downside I can see is that it is very expensive. However from my own experience and my way of thinking is if the viscosity is lower on start-up, then the oil pressure would build up a lot faster protecting the engine sooner. Also, I can't say for certain, but I could swear that I have a few more HP than I did before I started using fully synthetic. Thanks for the compliment though.

Cheers,
Vance.
1991 Euro 560 SEC.
  ----- Original Message ----- 
  From: pdweiss at comcast.net 
  To: Vance Rowley ; Mercedes Coupes Mailing Lists 
  Sent: Monday, January 30, 2006 1:43 PM
  Subject: Re: [W126 Coupe] OIL VISCOSITY


  Dear Vance:  I own an 89 560 sec, 113k miles, and a 91 560 sec, 34k.  Both cars had service records indicating they used 10w-30 castrol.  I have been using synthetic in my street machines for years.  However, I have not changed the 126's over.  Sounds like you know your lubricants. What do you think about changing to the Shell Helix?  I live in Sarasota.  Thanks for your advice.  Peter Weiss

    -------------- Original message -------------- 
    From: "Vance Rowley" <vance.rowley at tiscali.co.uk> 

    Mike,
      Engine lubricants have advanced and improved in performance a great deal since the owners manuals for these cars were written up.One of the best lubricants I have come accross and used for years in my Euro 560SEC is the Shell Helix Ultra 5W-40 fully synthetic lubricant. This particular one exceeds the requirements of most cars these days. Also this particular one is approved by Mercedes Benz themselves as well as Peugeot-Citroen, Rover Group, VW/Audi, BMW, Porsche and Ferrari.

    Vance
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