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Old 04-08-2008, 06:57 PM   #1
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oil level

my civic has two small holes on the dipstick. and from what i understand as long as the oil level is between the two marks the oil level is fine. Now would it be better for FE to have it to the top or a bit higher or in the middle or near the bottom.
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Old 04-09-2008, 09:07 PM   #2
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I doubt there's much to be gained by varying the oil level. Less oil in the sump would be a few pounds less to carry around in the car, but that's nowhere near enough lightening to see a difference at the pump.
If windage were an issue, Honda would have included a $0.50 windage tray from the factory as they do with their high RPM engines. For the sake of discussion, how exactly does windage affect friction anyway? Is it a matter of air getting whipped up into the oil? Oil droplets flying around in the crank case, striking the crank and slowing it down? Unless the engine is over-filled, the crank never contacts the surface of the oil in the pan, so that can't be it.
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Old 04-10-2008, 10:01 AM   #3
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Originally Posted by yzfdallas View Post
my civic has two small holes on the dipstick. and from what i understand as long as the oil level is between the two marks the oil level is fine. Now would it be better for FE to have it to the top or a bit higher or in the middle or near the bottom.
What's up yzfdallas?
The best and safest oil level is right on the middle of two holes on your dipstick. This way you know is not too much or too little oil. To bring up to that level I'm pouring 3 even quarts bottles of oil every oil change.
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Old 04-10-2008, 11:17 AM   #4
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It's oil droplets in the air that the crank is swirling around.

The oil doesn't get in that air from the surface of the oil in the pan either. The oil gets there from the oil that's squirt onto the underside of the pistons from a hole in the connecting rod.
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Old 04-10-2008, 11:46 AM   #5
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those two holes should be around 1 quart of oil between the two of them, with the engine that is currently getting replaced in my crx, as long as oil showed up on the dip stick the oil pressure stayed high enough to keep the oil pressure light from coming on unless I went around a really sharp corner, I highly recommend not letting your oil get that low
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Old 04-10-2008, 12:09 PM   #6
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The oil doesn't get in that air from the surface of the oil in the pan either. The oil gets there from the oil that's squirt onto the underside of the pistons from a hole in the connecting rod.
Right... I was trying to say that under normal conditions the crank striking the oil surface couldn't be a source of drag in itself, not that it writes off possible drag from airborne droplets.
Not all engines have piston oil squirters by the way, but the excess oil from the bearings will still get thrown around.
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