what type of oil to use in a 225?

My personal choice!

Quaker State "DEFY" 10W/30 it has the ZDDP additive
And I only use the Mopar filters.
Advance Auto carries them. They have that anti flow back valve. Here's the link below.

http://shop.advanceautoparts.com/we...1-p?navigationPath=L1*14932|L2*14984|L3*15341


Just my opinion.