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Discussion Starter · #1 ·
Just like the title says. Just curious. I have both and can they be mixed.
 

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Discussion Starter · #2 ·
Come on some of you mechanics gotta know if this is bad good or no prolem. I want to trow new oil in but only have 1 qt. of each and it will be a week before a new case comes in. PLEASE TELL ME its okay.
 

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Discussion Starter · #4 ·
Thx for the response. Why is it so bad just trying to learn.
 

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Will it hurt the engine, doubtful. Would I do it? In a pinch or emergency. Bottom line mixing weights won't kill your motor, I definitely wouldn't mix oil types though ... :nono: :nono: :nono:
 

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RaptorRacer45 said:
Wouldent it just make 10w35?.....lol j/k
Well that depends on the value of "w"
 

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Never, ever mix oil types, viscosities or brands! Not if you love your engine. They all have different kinds of additives (chemicals) that you do not know how they will interact oif you mix them. I am a mech engineer.
 

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RLJ3RD said:
Will it hurt the engine, doubtful. Would I do it? In a pinch or emergency. Bottom line mixing weights won't kill your motor, I definitely wouldn't mix oil types though ... :nono: :nono: :nono:
+1
 

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DrDsRaptor said:
Thanks I got more in today so I won't be mixing.
Cool :thumbsup:
 

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The weights have to do with oil viscosity. 10= how "thick" the oil is cold, 30= how thick the oil is hot. So 5W 30 is "thinner" oil than 10W 40.
 
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