Interesting... I've been contemplating a move toward 5w-20 (from 5w-30) with an interest in both protection AND fuel economy.
Now... 0w-20 is in the picture. I have a '94 Miata with about 170K. Thing is... I bit scared to use a 5w-20 much less a 0w-20.
I've see an oil chart (Australian) that list 5-20... But then again, newer oils are here and they didn't have these 0w-oils 17 years ago.
I'm concerned the "20" weight isn't right for my car, like Radman's post says.
Now... 0w-20 is in the picture. I have a '94 Miata with about 170K. Thing is... I bit scared to use a 5w-20 much less a 0w-20.
I've see an oil chart (Australian) that list 5-20... But then again, newer oils are here and they didn't have these 0w-oils 17 years ago.
I'm concerned the "20" weight isn't right for my car, like Radman's post says.