What is the best engine oil to put in my car?

Answer 1

Best Answer - Chosen by Asker

The proper weight as specified in the owners manual, change at the recommended interval and use a quality oil filter like Wix or Purolator. There is no advantage in lubrication properties between synthetic and conventional motor oils, synthetics simply last longer. Ridiculously expensive oils like Royal Purple and Amsoil are a complete waste of money, but people that cough up $ 8.00 (or more) a quart will swear it is the greatest thing in the world and make outlandish claims. Well, I guess if I was gullible enough to pay that much for oil I'd try my best to convince everybody I wasn't brain-damaged. All miracle oil additives like Lucas and Slick 50 are a scam...Lucas nullifies the anti-foaming properties of motor oils, and Teflon containing products like Slick 50 don't work as teflon cannot coat and adhere to metal at less than 500 degrees F (that's why Dupont and the Federal Trade Commission took all those crooks to court). Bottom line, buy a quality name brand oil that you like, and that doesn't bankrupt you, and stick with it.

Source(s):

1969 Pontiac Firebird Ram Air III, fully restored ( Yep, a forty year old Pontiac 400 cu.in. / 335 HP engine - when it was stock). No miracle oils or additives in those days...How did we survive?

Asker's Rating:

Asker's Comment:

thanks,all was wondered about the synthetic kind.

Answer 2

Castrol

Answer 3

Buy the best brand you can afford, there is a false economy in buying the cheaper stuff, I am loving the Gibson SG avatar above!

Answer 4

For diesel engine Castrol GTD and for petrol Castrol GTX.

Answer 5

If you are putting it in a car you drive every day to get around town, it doesn't really matter. Check your owners manual to see what weight of oil you need, and then go get it. The Advanced Auto Parts brand oil is decent stuff, and it's cheap. Just makes sure you use a good oil filter. Fram sucks, so use anything other than Fram. I use Purolator filters, they are about the same price but a much better filter.

Source(s):

experience and I asked my brother who is a mechanic

Answer 6

Lucas oil.

Answer 7

Not knowing where you reside most cars use the weight of 10/30 or 10/40 for older cars for driving on the highway or hot weather. For freezing temperature the weight I use is 20/50. Read all about it below. Good luck.

Source(s):

http://autos.yahoo.com/maintain/repairqa…

Answer 8

synthetic

Answer 9

Amsoil is bar none the best. it improves your fuel economy and saves you time and money with extended drain intervals. you can keep it in your car for 25,000 miles or one year whichever comes first. I just changed a 94 chevy 1/2 pickup over to Amsoil and I used there fuel treatment. the truck went from 10mpg to 17mpg from just an oil change and fuel treatment. I did this 4 tanks of gas ago and I'm holding those numbers. it wasn't just for the first tank of gas that the treatment was in.

according to the study I'm looking at right now
Castrol is second best in viscosity break down but third in ball bearing wear.
Pennzoil took second in the ball bearing wear test but came in dead last in the break down test
Amsoil was the best in all categories.

Answer 10

LE...period...no one here has heard of it and nobody has used it here either. LE stands for Lubrication Engineers. You can buy it here>http://www.mag-hytec.com/products.htm I will admit it is a bit expensive but it IS the best...check out their website..just google it...They are the real deal and they explain everything on their website...LE products have been and are still used in all manned shuttle and space missions...have fun learnin' !

Answer 11

If you look at the amount of friction. The best is to use synthetic oil and a teflon additive. With the price of conventional oil it is less of a price difference than it used to be.

Source(s):

personal experience