Author Topic: Oil Grade  (Read 6288 times)

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louis 911

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Reply #15 on: May 30, 2010, 10:36:09 am
 hello  :)

 only 15W50 in the UCE because hydraulic tappet (roller hydraulic valve lifter)

  

« Last Edit: May 30, 2010, 10:47:04 am by louis 911 »


singhg5

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Reply #16 on: May 31, 2010, 05:48:25 am
hello  :)

only 15W50 in the UCE because hydraulic tappet (roller hydraulic valve lifter)

Do you mean to say that hydraulic tappets are adversely affected with other grades of oil ? 
1970's Jawa /  Yezdi
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louis 911

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Reply #17 on: May 31, 2010, 06:31:35 am
   Yes, I tried 10W50 and the hydraulic tappet are noisy, they slam(click).