Oil Temp vs. Oil Weight |
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Oil Temp vs. Oil Weight |
NJ914Guy |
Jun 16 2011, 07:59 AM
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#1
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Member Group: Members Posts: 150 Joined: 30-December 10 From: Deptford, NJ Member No.: 12,546 Region Association: MidAtlantic Region |
Can someone please set me straight on this.
Given summer time driving (70-95 degrees temps outside): If a 914 is running 20w-50 oil vs. 10w-30 oil, I know that the 30 weight is thinner oil, but which oil would run lower oil temps? Thanks, having a mental block moment here (IMG:style_emoticons/default/beerchug.gif) |
ArtechnikA |
Jun 18 2011, 06:39 AM
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#2
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
oil's 7.2 lbs/gal no matter how hot it is ...
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scott_in_nh |
Jun 22 2011, 09:43 AM
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#3
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Senior Member Group: Members Posts: 808 Joined: 10-December 10 From: Hampton, NH Member No.: 12,471 Region Association: North East States |
oil's 7.2 lbs/gal no matter how hot it is ... Oil expands as it is heated, so if you measured out a gallon of oil at room temp and it weighted 7.2 lbs. and then heated it to 100C it would now measure something like 1.1 gallons (but still weight 7.2 lbs.) and have a lower density. Removing the 0.1 gallon to bring the volume back to 1.0 gallons would yield a new weight of about 6.55 lbs. |
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