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Old Apr 4, 2007 | 09:39 PM
  #1  
Saint_Ali's Avatar
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Overdrive Member
Joined: Jun 2006
Posts: 3,170
From: Las Vegas
Default oil grades

is it better to use 5w-30 or 10w-30, i have a 93 lt1 with just over 140k on the engine
 
Old Apr 4, 2007 | 11:03 PM
  #2  
chrshadil's Avatar
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Joined: Mar 2007
Posts: 168
From: McCaysville, GA
Default RE: oil grades

It depends on the enviroment you live in. If its cold go with the 5W-30 but 10W-30 has the widest range of operating temps.
 
Old Apr 5, 2007 | 02:57 AM
  #3  
Saint_Ali's Avatar
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Default RE: oil grades

yeah i use 10w-30 because it gets hot where i live but would 5w-30 be better for a lower oil psi
 
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