1,2,3,4,5,6
5 W 30 or 10 W 30
10w-30
Mobil 1 10w/30 or Mobil 1 Highmileage 10w/30.
10W-30 oil is preferred in the 3.2/3.5L engine
pistons first with 30 weight oil
Any name brand 5w 30
Warm engine at idle, 30-40 psi. 10 minimum.
Use a good brand of 10W-30 and it takes approximately 5 quarts.
Any type of certified 10W-30 motor oil will be fine, and 5W-30 may be acceptable during the winter.
Fiat has purchased about 30% of Chrysler.
1963 390 firing order should be 1-8-7-2-6-5-4-3. dwell 30 deg. timing 5 deg BTDC.
Standing in front with the hood open, looking at the distributor, number one would be at the 5:30 position on the cap, from there clockwise it goes 1, 6, 5, 4, 3, 2. I am assuming this is a 4.3L engine.