It really doesn't matter. In a year, maybe two you won't find much of anything other than GF-6 on shelves anywhere.
GF-5 won't break your engine. GF-6 isn't an internal combustion fountain of youth, but I'll bet it won't break anything either.
Edit: but for Pete's sake, don't use 0w-16.
__________________
Slow is smooth, and smooth is fast
|