Honda of Japan suggests 5W-40
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12-06-2006, 09:48 AM
#44
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5W-20 is too thin, that is true. 30 is the minimum operating temperature viscosity rating Honda has approved.
Look, I'm not going to go and quote/refer directly to, but there is still a lot of misinformation going around about this oh-so-mystical topic, and man am I hungry, so I'm going to try to keep this short.
BTW: There should be no more discussion about the cold-temperature viscosity rating. Get it as low as you can. It does NOT apply to operating temperature "weight (cSt)". Get 0W if you can. If you think what I said is madness, that means you need to do some reading: http://63.240.161.99/motoroil/index.html
Basically, here's what I've deduced after learning what I've learned here, on bitog, and independent reading:
-You shift at the redline in 1st, 2nd, and sometimes 3rd, then get on the highway to cruise in 6th gear.
-You don't autox, track, or do similar activities that put stress on the engine continuously for prolonged periods of time.
-You sometimes take a chance and go over 100mph for a short interval.
etc.
You should use xW-30, you'll be fine. Your engine will most definitely not exceed its preset operating temperature range, and 30 weight doesn't get too thin for our engine at those temperatures, its perfectly fine to use.
Now;
If you track, autox
If where you drive the speed laws don't exist and you naturally/casually exceed 120mph on many drives, or cruise at those speeds, or higher.
VTEC, a lot (prolonged periods, etc), only measurable in "duration" and not "times used VTEC"
You should use xW-40, your engine most likely runs higher temperatures due to the extra and continuous strain you put on it (which is fine, but use the right oil).
Look, I'm not going to go and quote/refer directly to, but there is still a lot of misinformation going around about this oh-so-mystical topic, and man am I hungry, so I'm going to try to keep this short.
BTW: There should be no more discussion about the cold-temperature viscosity rating. Get it as low as you can. It does NOT apply to operating temperature "weight (cSt)". Get 0W if you can. If you think what I said is madness, that means you need to do some reading: http://63.240.161.99/motoroil/index.html
Basically, here's what I've deduced after learning what I've learned here, on bitog, and independent reading:
-You shift at the redline in 1st, 2nd, and sometimes 3rd, then get on the highway to cruise in 6th gear.
-You don't autox, track, or do similar activities that put stress on the engine continuously for prolonged periods of time.
-You sometimes take a chance and go over 100mph for a short interval.
etc.
You should use xW-30, you'll be fine. Your engine will most definitely not exceed its preset operating temperature range, and 30 weight doesn't get too thin for our engine at those temperatures, its perfectly fine to use.
Now;
If you track, autox
If where you drive the speed laws don't exist and you naturally/casually exceed 120mph on many drives, or cruise at those speeds, or higher.
VTEC, a lot (prolonged periods, etc), only measurable in "duration" and not "times used VTEC"
You should use xW-40, your engine most likely runs higher temperatures due to the extra and continuous strain you put on it (which is fine, but use the right oil).
12-06-2006, 11:47 AM
#48
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Location: Knoxville, TN
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Dun't beat on your car with the 5w-20 in it. Mebbie jack it up, pull the drain plug and let 3-4 quarts drain out, put the plug back in, and then re-fill with 5w-30 or 10w-30 M1 motor oil and you will be good to go for the winter.