Hello, I drive a Honda Civic EJ6 built in 1996, 4 cylinders 105 hp. My buddy drives a Civic EJ9 built in 97 or 98 4 cylinders 90 hp. Which oil is best for us? Do these two oils do what:http://www.amazon.de/…/ref=oh_details_o05_s00_i00?… orhttp://www.amazon.de/…/ref=sr_1_1?… which would you recommend us? and which spark plugs come in? In both vehicles the same, if any? if no, nevertheless which many thanks for your answers!