rebelcowboy

ok so its about time to change my oil in my new motor,i had just some regular 10-40 in it and im wandering about using synthetic when i get it changed,anyone have any info on conventional and synthetics?and the best type of filter to use,i have always used castrol 20-50 in my truck but it has about 230,000 on it.i was looking at some quaker state horsepower synthetic and its only like 25.00 at walmart for 5 qts,is it anygood?

67mustang302

Torco. I run SR-1 10-30 synthetic. You pay a lot for it but it's significantly better than most of the other oils out there, and worth the money.

contentsunderpressur

A 30 weight would be perfect. Synthetic is for sure the way to go. I'm not sure which would be the best but I always used mobil 1

67mustang302

I've run Mobil 1 before and never had any problems with it. After over 150k miles on one engine running entirely on Mobil 1, it showed no signs of wear when I tore it down. I'm not sure if the newer Mobil 1 formulations are as good since I haven't used them, but no one seems to be having problems with it.

mstngsule68

just get some royal purple oil, good stuff.

arens

I use Mobile 1, Quaker State, or Pennziol synthetic depending on which one is on sale. You can't go wrong with any of them.

I am not going to guess what weight you want as I don't know anything about your specific engine.

Timspony

...pretty much all oils (synthetic or conventional) off the self about the same...

rebelcowboy

well should i use 10-30 or 10-40,i live in arkansas and i drive the car everyday,are the k&n oil filters any good,i have never used any synthetics and im wantin to try them in my new motor i have heard alot of good about them.and i have to change my oil every 3,000 miles regardless wut oil i use cuz my motor is under warranty for a year.

rebelcowboy

anyone

wildsurfer92

I use valvoline full synthetic 10-30 in my mustangs and valvoline full synthetic 5-30 in my 92 dodge grand caravan with 201,100 on it and everything gets a k&n oil filter, and oil gets change at 5 or 6 thousand miles depending on how dirty the oil is looking. I went with valvoline over mobil one because i think its better...i used to use mobil one, but for some reason i think valvoline is better. there is also royal purple! anyways nothing but synthetic fluids in every part of all of my cars!