Forgive me if this is a stupid question, but what is it that makes the Zetec not capable of running with higher compression (than 10.2:1) on pump gas, while other engines can do so?
Just trying to understand what's the problem here. I know plenty of people running beyond 10.2:1 on pump gas in other cars. What makes the Focus different?
Zetec....is that like Vtec or something???
Zetec Crew #103/ATX Faction #27 (retired)