Heat Ratings. The output of a radiator is measured in British Thermal Units (BTU.s) per hour. (So is air-conditioning, come to that!) 3000 BTU is roughly equivalent to a 1 kilowatt bar heater, just to give you some idea.
Rating Newest Oldest. Best Answer: The difference between 5w30 and 10w30 is that 5w30 flows better at colder temperature. If you live in a place where it gets cold often, or during the winter time, you will get better results using 5w30.Otherwise 10w30 oil is good enough, i usually use 5w30 all year round.ating Newest Oldest. Best Answer: The difference between 5w30 and 10w30 is that 5w30 flows better at colder temperature. If you live in a place where it gets cold often, or during the winter time, you will get better results using 5w30.
3. If you do the oil changes yourself then buy the oil and filters near the date of the oil change and keep a maintenance log with receipts. 4. Use an API certified 5W30 or 10W30 oil (whatever your manual says is preferred) and watch out for oil change places that force 10W30 on you. 5.. If you do the oil changes yourself then buy the oil and filters near the date of the oil change and keep a maintenance log with receipts. 4. Use an API certified 5W30 or 10W30 oil (whatever your manual says is preferred) and watch out for oil change places that force 10W30 on you. 5.