Indrid cold Posted July 2, 2005 Share Posted July 2, 2005 I looked for old posts but couldn't get anything to come up??? (seen tons on this topic but system wouldn't search?) any way. Lets not make this a long discussion: Simply; 84 Brat, EA-81, 180K miles, Carbed, non-turbo. Coming into summer heat, 100+ degrees, regular teenage driver, 10-40 chevron O.K. to use, book (owners manual) shows 10-40, or 20-50. what ever brand. Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted July 4, 2005 Share Posted July 4, 2005 I looked for old posts but couldn't get anything to come up??? (seen tons on this topic but system wouldn't search?) any way. Lets not make this a long discussion: Simply; 84 Brat, EA-81, 180K miles, Carbed, non-turbo. Coming into summer heat, 100+ degrees, regular teenage driver, 10-40 chevron O.K. to use, book (owners manual) shows 10-40, or 20-50. what ever brand. Quick answer, probably either is OK. Slightly longer answer, tight engine, light duty, 10-40 OK. BUT, if the engine smokes a little or will be towing or doing other hard duties - 10-50 might give you an edge. Oh, never think an older engine doesn't deserve regular oil changes - even one that may burn some oil. Any indication that rings are worn/bad will also mean combustion products AND raw fuel are blowing by into the crankcase. So changing the oil will help remove those and keep the viscosity up. my $.02 Carl Link to comment Share on other sites More sharing options...
muellerdeal Posted July 4, 2005 Share Posted July 4, 2005 Quick answer, probably either is OK.Slightly longer answer, tight engine, light duty, 10-40 OK. BUT, if the engine smokes a little or will be towing or doing other hard duties - 10-50 might give you an edge. Oh, never think an older engine doesn't deserve regular oil changes - even one that may burn some oil. Any indication that rings are worn/bad will also mean combustion products AND raw fuel are blowing by into the crankcase. So changing the oil will help remove those and keep the viscosity up. my $.02 Carl where you from intexas man matt Link to comment Share on other sites More sharing options...
555Ron Posted July 4, 2005 Share Posted July 4, 2005 Ok, my question is mineral, semi synthetic or synthetic. Which is best for the ea82? I want to put some 10w40 semi synthetic in mine... is this ok? Link to comment Share on other sites More sharing options...
Indrid cold Posted July 4, 2005 Author Share Posted July 4, 2005 Quick answer, probably either is OK.Slightly longer answer, tight engine, light duty, 10-40 OK. BUT, if the engine smokes a little or will be towing or doing other hard duties - 10-50 might give you an edge. Oh, never think an older engine doesn't deserve regular oil changes - even one that may burn some oil. Any indication that rings are worn/bad will also mean combustion products AND raw fuel are blowing by into the crankcase. So changing the oil will help remove those and keep the viscosity up. ....................... Excellent, appreciate the reply and good advice. I am still deep into the learning curve on these. Been out of town switching motors in a New 2 Me Wagon. Later, Link to comment Share on other sites More sharing options...
dragonwingsubaru Posted July 4, 2005 Share Posted July 4, 2005 i personally run 20-50 in every car i own with over 150k on the motor, suby or not Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted July 4, 2005 Share Posted July 4, 2005 where you from intexas manmatt D/FW Carl Link to comment Share on other sites More sharing options...
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