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Old 08 Feb 2013, 02:32 am
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Default What oil should I use on my Honda civic 2001 137k miles?

Since I got the car I've been using Honda oil 5w-20. I don't know of that's to thin for the car because it already has a lot of miles. So please help me guys. Thank you!
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Old 08 Feb 2013, 02:49 am
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Keep going with the same stuff, no reason to change.
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Old 08 Feb 2013, 03:01 am
Join Date: Sep 2009
Posts: 84

5-20 would be OK for a big slow revving V8 in alaska, a honda civic at that mileage would need fully synthetic 5-50 5-60 or 10-60 oil to protect the bearings , it's the same viscosity as 5-20 at low temperatures but stays constant at higher temperatures instead of thinning out, many cars throw bearings in hot climates like the sunbelt simply because the oil is too thin
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Old 08 Feb 2013, 03:21 am
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Honda don't make oil. They buy it from she'll or Exxon and put it in a badged container and increase the price. So buy oil from a motor factor.

At that mileage you don't need to spend out on the most expensive fully synthetic oil. It really isn't worth it. It won't make the car go any faster or last longer. Mix price from a brand you've heard of is fine. Much more important to change it regularly.
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Old 08 Feb 2013, 03:31 am
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I can't imagine why Steve got two thumbs down - his is the best answer. 137K miles is not a lot (300K is) and as long as the oil has been maintained properly the bearings should be about the same clearance as new. More viscous oil will increase the pressure at idle but the modern mantra is not "pressure" - it is "flow." Viscous oil does not flow into the close tolerance bearings of modern engines very well, and your 2001 Honda, with .001-.002 inch lower end bearing clearances, is no exception.

I am a fan of synthetic oil, though. I was originally drawn to it when I had serious deposit problems in a Volvo and the top Volvo gurus recommended synthetic oil because it does not leave deposits. They were right - it completely eliminated my annual intake cleanings. If you take off a valve cover you can tell immediately if the engine has been using a steady diet of conventional or synthetic - if the engine looks like new instead of being coated with brown varnish it has had synthetic. When I am looking at used cars I look at the dipstick. No varnish means synthetic. That is a big deal here in Flagstaff where winter temperatures overnight can get well below 0F and conventional oil does not want to pump (see the first source).

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Old 08 Feb 2013, 03:46 am
Sky Sky is offline
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5w30, it will protect your engine better and you wont have to worry about switching over when you hit the big 200.
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