I recently bought a 109 from a friend it has ported heads a 212/212 roller cam billet mains and a few other extras brfore i put it in this winter should i put a girdle on? I dont plan on pushing this motor too much. My goal is 11.30 or something close. Also what type of rolloer rockers should i put on it previously had harland sharp 1.55 should i stick with the same or something different?