Shouldn't be a problem at all. I am running Syntec blend 5w-20 in my 04
Accord, although this has low miles yet. I wouldn't worry about it, Syntec
blend is a good compromise between synthetic and standard oils. I also
switched a vehicle over to full synthetic with high miles without a problem.

I recently changed two of our 200K+ mile cars (one is an '85) over to full
synthetic and had no leaks or other problems.

Mike

I've been using Mobil 1 5w30 in my 2000 Civic SiR for 50,000km now. It
doesn't leak a single drop.

Chris

you also get a higher milage per oil change.
Syntec or syntec blend oil retains its lubricating and protective
chracteristics 3-4 times longer than regular one.
I've been using semi-syntec Castrol for the last 5 years with with 15-20 k
changing period. Never had any problems.

www.bus7.com
www.fastlove.ca

Thank you for all your replies. I was wondering why the windshield sticker
said "next oil change 15,000 miles."

2 things, going longer then normal between oil changes just cause your using
synthetic is NOT a good idea

To qualify as "synthetic blend" all you need to do is put SOME synthetic oil
in it. So technically it could be plain oil with 1 drop of synthetic oil
added.

If you want synthetic, then get 100% synthetic oil

Yes, I plan on changing the oil at regular intervals. This car cost $26,400
new, is paid off and hopefully will last quite a few more years. I don't
know what the record for miles on an Odyssey is, but I hope to break it.

I don't know about an odyssey, but my neighbour has a 86 accord with over
500, 000KM on it, and still going strong

WHAT?! They put a sticker on a windshield suggesting an oil change
interval of 15,000 miles?! That is stupid and I don't care what kind of
oil it is. Generally speaking, under normal driving conditions, you can
expect dino oil to go 5,000, maybe a little longer.

Semi-synthetics start to deplete their pack (TBN) around 7500 miles and
although some synthetics say they can go higher, I have seen used oil
analysis reports suggesting synthetics should be changed at no more than
10,000 miles. With severe driving conditions (heavy towing, cold
start/short trip driving, dusty conditions, etc.), these figures would
be much less.

Going 15,000 miles on this oil is a recipe for disaster. I don't doubt
it can be done since you will rejuvenate the oil by several top-offs
during this period but at what cost to the engine? If it were me, I
would change this oil after 5,000 miles, send in for an oil analysis
report (about $40) to Amsoil, Blackstone or some other well established
lab, and look at the results. I bet you will never see a professional
lab analysis recommending this oil to 15,000 mile intervals.

MARTY

It is an excellent quality oil and can mix and match with conventional
oils without fear.

John