: I have to change the oil in my '72 Duster with
: 84,000 miles and my '69 Valiant with 94,000
: miles. I'm not sure what the best grade of
: oil is for these cars. I used 10w30 in my
: Duster and I've been driving it quite a bit
: on 80-90 degree days without using any oil.
: The valiant smokes a bit when cold and does
: use a bit of oil. What do you recommend??
: Joel

: I use 20-50 in all my street slants,it never
: get real cold where I live. I use straight
: 20 wt in the racecar.
: DD

: I use 20-50 in all my street slants

: Why such thick oil? Personaly I run 30w year
: round, Does it help quiet down the noisy
: rockers or preserve the oil pump gear
: better?