"Steve" <abc@123.com> wrote in message
news:edUZb.32720$Xp.137125@attbi_s54...
> My 2003 HX coupe (CVT trans.) calls for 5W-20 motor oil. It says so in the
> owners' manual and there's a sticker right on the engine block that says
> "5W-20".
>
> I'm due for an oil change but none of the places around me have 5W-20 --
> they all tell me just to use 5W-30 (which is all anybody around here seems
> to stock).
>
> Q: Why does the HX coupe w/CVT call for 5W-20 (instead of a more "common"
> weight) ?
>
> Q: If I use 5W-30 (instead of 5W-20), what are the consequences?

I suspect that the only consequence of using slightly thicker oil in your
Civic would be some reduction in fuel economy.

Honda branded motor oil is 10W-30 oils when they sell their vehicles in
Australia.
http://www.honda.com.au/buying+a+honda/parts/index.htm click on Honda oil

Some good 5W-20 oils include Motorcraft 5W-20, Pennzoil "SUV, Truck,
Minivan" 5W-20 and Castrol Syntec Blend 5W-20. All three of these are part
dino oil, part synthetic and have yielded good oil analysis results as
posted on the discussion board at:

Go to:

http://theoildrop.server101.com/ubb/...?ubb=forum;f=3

Search on Honda. You will find lots of results of various oils in use in
Hondas including both 5W-20 and other grades.

John