Thread: Silkolene Pro-S & Pro-R just £38 5L for Limited Period Only!
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Old Jan 11, 2010 | 04:55 PM
  #14  
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oilman
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Originally Posted by wes
Which grade would you recommend for a 500bhp+ YB, used hard on track and driven on the road?

Pro-R 15w/50 or Pro-S 10w/50?
Go for the 10w-50
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