Pablo and Buster,
You'll notice there are no 'heavy' 20 wt's on my list.
Now if I was making a list of of my fav' 30 wt's that's where you'd find RD 20, ASM 0W-20 and RL 5W-20. All having 100C vis over 9.0 cSt.
You'll notice there are no 'heavy' 20 wt's on my list.
Now if I was making a list of of my fav' 30 wt's that's where you'd find RD 20, ASM 0W-20 and RL 5W-20. All having 100C vis over 9.0 cSt.