Synthetic or Conventional oil at 57k?

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Mar 17, 2007 | 06:15 PM

#11

03GMC

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From: Midland, TX

The cap says 5-30 though. Whats the deal with some guys coming to my shop using 0-30 Amsoil?

Mar 17, 2007 | 08:41 PM

#12

SnakeOiler

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From: F'burg, VA

Some people don't like to follow directions

Mar 17, 2007 | 08:45 PM

#13

nightrunner

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From: Manchester, TN

i think the reccommended 5w30 is for the cooler climates

Mar 17, 2007 | 10:16 PM

#14

99LoweredSierra

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From: Tennessee

10w30 is good for summer on older engines also

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