Yes you can, just make sure you use SAE 5w20 weight. With synthetic you can extend the oil change intervals at least 1,500 miles. Be sure and use a quality filter such as Purolator, Wix, Bosch, etc.
Yes, you can use synthetic, conventional, or a mix of the two.
Yes, and it is in your mannual.
5W20 synthetic.
Yes, and you can even mix it with conventional oil.
Can you? Sure you can. Should you? No, you should not. The recommended weight oil for a 1997 Honda Accord is SAE 5w30. Use only that weight in conventional or synthetic.
SAE 5w-20 any major brand conventional or synthetic oil.
Synthetic 5W - 40 , Tested and engine is smooth and best
The recommended oil change for a 2002 Honda Civic is every 5,000 miles. If synthetic oil is used oil can be changed every 10,000 miles.
SAE 0W-20 any major brand. As 0W-20 weight oil is only manufactured as a Synthetic oil you will have to purchase Synthetic. I highly recommend Pennzoil Platinum Full Synthetic which is what I use in my 2013 Honda Accord. Purchase a 5 quart jug to save money. Your Honda will take 4.5 quarts. Also purchase a quality oil filter and change the filter when you change the oil. Change your oil when the oil minder reaches 20%.
Yes, you can with no problem. Virtualy all oils, synthetic & conventional, are interchangeable.
6 months or 5,000 miles.
The OEM recommended oil weight for a 1990 Honda Accord is 5w 30. There are other alternatives such as synthetic which can offer more benefits and a longer life span to an engine if used correctly.