Re: Here, Take a Poke at Me

Posted by riverbend on October 13, 2004 at 05:47:22 from (208.160.34.158):

In Reply to: Here, Take a Poke at Me posted by Allan in NE on October 13, 2004 at 04:55:36:

Allen,

Okay. 90W gear oil at 210 F falls in the same viscosity range as 40W engine oil at 210 F. So I'd say that your observations are about right. Since 40W oil at 210 degrees is 1% as viscous as 10W at 0 F, all hot oils would look about the same as they drain out.

50W is about 3 times as viscous as 20W when they are both at 210 degrees, so it would take more force (pressure) to push it through long drillings and tight spaces in an engine. That would show up as higher oil pressure on a gauge. It actually works that way on my Super C, but the motor still needs a rebuild.

Hey!, are you the same guy that thought that ice didn't float ?

Greg

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• Re: Here, Take a Poke at Me Allan in NE 06:00:18 10/13/04 (0)

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