It is not required. You can use conventional or synthetic oil.
10w-30 fully synthetic is recommended
hi a 10/40 or a 5/3o semi synthetic or fully synthetic would be the best
9.5 quarts.15w40 conventional or 5w40 synthetic.9.5 quarts.15w40 conventional or 5w40 synthetic.
75-140 synthetic
Axles take 75w140 synthetic.
yes use Mobil1
4.5 quarts
5w205w20
6 quarts of mobile 1 5w30 fully synthetic for the 3.6
A 2006 Hemi requires 5w20. It can be synthetic, conventional, or a blend.
R134aR134a
12 quarts of 15w40 synthetic oil.