What Kind Of Oil Does Everyone Use On Their Truck?

[dicain]

valvoline oils is the only oil that i use. and you wont catch me dead with a cheep fram filter or any made by them. take one apart and you'll see what i mean!

 

[Desert Donk]

On my inline 6 I always use Castrol. Always have and also in all my rice burner motorcycles. For the truck, 10-30 in winter, 20-50 in summer here in the hot desert sw. I like K&N filters both air and oil.