Im so confused on what oil to use in our cars, i was told we have to use a special type of minerial oil but i dont find that at my local parts store. can we use reg motor oil in these motors and if so whats the best kind to get thanks guys im in need of an oil change and dont kno what to do.

 

https://www.rx7club.com/showpost.php...05&postcount=7

 

I have been using Mobil 1 full synthetic, and adding 4-6 oz of Marvel Mystery Oil to the tank at every fill-up. No problems. However, there is an ongoing arguement pro/con synthetics for long term use..

 

thanks didnt see that when i was searching. but im still a little confused about the whole mineral oil thing? whats that all about .

 

yeah i was told that synthetic oil shouldnt b used in our motors, ill try using the marvel oil in my car, thanks bro

 

Castrol GTX has been my choice for 8 years.

 

kk, ill pick me up some , do you use a certain wieght for these or will 10w40 be ok? thanks for your help man

 

10W30 winter, 20W50 summer, it's in the sticky I posted

 

+19348947 For castrol GTX.

 

thanks guys for the help