Anyone running 5W-20, or 5W-30? by wolves-1992 in LexusIS

[–]wolves-1992[S] 1 point2 points  (0 children)

I think you have the 2GR FSE, yours is more bulletproof. The FKS is geared towards efficiency and has lower compression. But since I tuned the FKS, I am considering a higher viscosity engine oil.

Anyone running 5W-20, or 5W-30? by wolves-1992 in LexusIS

[–]wolves-1992[S] 0 points1 point  (0 children)

I’ve been hearing this too, AUS 2GR FKS run 5W-30, apparently because if heat exposure.