Honda Civic Maintenance

http://honda-civic.autoboardz.com/2003-Honda-Civic-maintenance-schedule-ftopict245780.html (2003 Honda Civic maintenance schedule)
What is the proper oil change interval for an '03 Civic. The owners manual and dealership have to different opinions. The manual says 20,000kms or 12 months, the dealer says 8,000kms or 4 months. Is the dealership just tring to take my friend for a ride by discounting what the owner's manual says?..
« In Canada you follow the severe duty schedule, 6 months or 8,000 km whichever comes first. The 4 month interval that the dealership is recommending is just so they can make more money. As long as .. »
« If dealers and oil change business can get away welling the idea of changing your oil every month or every 1,000 mile they'll do it. Just follow your normal or severe schedule, whichever fits your s.. »
« The local Honda dealership recommends that people change the oil every 3000 miles. If you plan to keep the car for many many years, I suggest that you change the oil every 3000 miles. If you plan to.. »
« Yes! Follow the manual; Honda engineers know what they are doing. -- Bob Burns Mill Hall PA »

http://honda-civic.autoboardz.com/Mileage-Honda-Civic-ftopict167601.html (How Much Mileage Can a Honda Civic Get?)
Aside from my usual oil changes, here are other major maintenance and repair issues for me: 1) All new belts, water pump (146,800) 2) New ignition wires and other ignition stuff (148,000) 3) Spark plugs regularly (42.5k, 80k, 117k, 148k- with other ignition issues) 4) New battery (6-1/2 years 130,..
« I got 220,000 on original engine before it got totalled. After 200K I vowed to exchange it should a repair exceed $500. Always seemded to require about $1000 -$1500 of annual work in its elder yea.. »
« i have an 88 dx 9d15b2) with something like 232k miles on it. Still original engine. about all that needs doing right now is the CV joint needs replacing, i've a crack in the radiator (from when I p.. »
« Have you considered the effects of simple age (in years) on a car? That is, the acids in the exhaust gases doing their thing over years, for one? I know a fellow who is a courier in the middle U.S.. »