02-20-2014, 07:07 PM | #43 | |
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I had a car back in the 70s that I had to add 2-3 qts of oil between gas fillups. Fun times. You are spot on with the oil aeration issue. I drilled it into my 4 kids to not overfill their oil for that same reason.
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02-20-2014, 11:18 PM | #44 | |
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02-21-2014, 10:01 AM | #45 |
Chief Many Camaros
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After building race cars for the last decade and a half, I know I would much rather have an oil aeration issue than an oil starvation issue. Oil aeration is a myth on our LS cars, we have baffles in the oil pan that allow the oil to settle long enough to help let air out. If you really think that 1/4 inch or so for reading on the dipstick is going to keep your crankshaft from throwing oil every where, your mistaken, not only is a 1/4 inch or so not going to keep your crankshaft from dipping into the oil if it already is, where do you think the oil flows after your lifters, rockers etc.? It flows directly down over the crankshaft and gets flung everywhere, this is the reason to use a crank scrapper and also the reason for knife edged cranks.
The fill line is there for a reason, to let you know when the oil is low, if you are constantly running on the fill line you are not getting the benefits of cooler oil and also run more of a risk of starvation issues especially if driving the car hard, this is when the motor needs as much oil as possible. Sorry for the rant and I know it was a little off topic, but I hate when people give misinformation especially when there is the potential to damage a motor in that missinformation.
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02-21-2014, 10:07 AM | #46 | |
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Quote:
Not withstanding, the rest of your statements are pretty accurate.
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02-21-2014, 10:39 AM | #47 | |
Chief Many Camaros
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Quote:
It is interesting that so many worry about a little lifter noise and not about spinning a bearing. Sure the argument can be had that it is possible for aeration to decrease lift a few thousandths at idle, I say if a couple of hp at idle is worth the risk then have at it. Its not worth the risk to me as when RPMs go up the oil level in the pan decreases and oil pressure increases therefore you likely don't have any of the same aeration issues above idle anyway.
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02-21-2014, 11:50 AM | #48 |
Dimitri
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Always check dip stick when engine oil is at operating temp. If for some reason you have to add oil to a cold engine, put it half way between the add mark and the full mark. There is a big difference between coolant temperature and oil temperature for it to fully expand. If you are fortuate engough to have a oil temp gauge pay attention to that. When the oil temperatue is a operating temperatue that is when you can safely top off.
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02-21-2014, 04:09 PM | #49 | |
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Quote:
I respect what you're saying, but really that was my point all along.
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02-21-2014, 05:12 PM | #50 | |
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02-21-2014, 09:14 PM | #51 |
Vrrrm.
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Thats retarded, i change mine every 4-5k if i could afford it id do it sooner
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