What oil should you run?

[Ericjustin14]

I got a 96 Evo IV GSR. I'm new to the jdm and Evo scene so I'm probably gonna be asking a lot of noob questions but hey gotta start somewhere. Anyways what oil should I run in my Evo? I've heard all sorts of stuff from synthetic because it's a performance car to conventional becUse something about the turbo(?). Heard I should do 5-30 some say 10-40. What oil is best?!

Side note: it is my daily driver and I will have to drive it in cold tempuratures so maybe no thick oils till summer. Anyways all help is appreciated!

 

[GeoKez]

HPR 10-50 full zinc, was the general consensus last time this question was asked. Zinc is good for turbo bearings I think.

 

[evo-gsr]

But is that oil ok to use in cold climate ?

 

[GeoKez]

Fuck, Canada. Yeah good point Jamo, didn't notice that. With my bearing clearances and squirters he would be ok........... Don't know about a proper engine but.

 

[Ericjustin14]

Yeah so any other ideas? I'm pretty sure 5-30 is the viscosity but should I run synthetic or conventional?

 

[Django]

There is an owners manual that comes with cars when they are sold that will explain the oils you should be using. I'd say you are spot on with 5-30 for very cold climate and move up to 10-30 or 10-40 depending on how hot it gets where you are in summer.

 

[evo-gsr]

Yeah so any other ideas? I'm pretty sure 5-30 is the viscosity but should I run synthetic or conventional?

Synthetic.

 

[OLDIE]

Synthetic.

BUT only if it is a recoed motor and run in with a good running in oil first as the rings will not bed in properly if synthetic is used. FWIW syn oil has a greater shear strength and all the molecules are the same size .
+1 for full zinc but it can damage the cat and that is why the zinc levels were lowered to less than 1000 PPM in modern/newer blends of oils.
Zinc is a good anti scuffing additive that is good for plain bearing turbos,flat tappet cams and piston skirts.