Hello i am petty much new here i am recovering my old grandfather car is a "Chysler Valiant Volare 79'" aka "Dodge aspen 79'" coupe it has a Slant Six 225 with the Super Six dual throat carb and a automatic 3 speed the car has been much abandonated on the street front my house for 6 years i fixed the starter relay and i got to crank for what i can hear and see runs well so i am gonna to put new liquids i want to know whats the best oil for it on a most sunny days

 

Nice I.V. Bottle... lol
30W engine oil
OR
15W40 Engine oil
Chevron / Havoline >>>>>>> https://www.chevronlubricants.com/en...motor-oil.html
Also Use a good wix oil filter not a cheap filter.

 

I guess I would go with a 10W 30 or 10W 40 with zink additive.