06-05-2018, 11:04 AM
ok, thanks all - will test with present arrangement and then look for a bronze carb to compare things myself. It seems the raw difference is change from 15mm to 17mm choke.
Out of interest, old Motorsport article mentions the Ruby integrated manifold as having a warm up hotspot constriction that can really do with relieving/removing. Does that chime with anyone - is it worth doing for airflow?
Out of interest, old Motorsport article mentions the Ruby integrated manifold as having a warm up hotspot constriction that can really do with relieving/removing. Does that chime with anyone - is it worth doing for airflow?