im building my zt up and having a few vauxhalls before they recommend fitted the xe inlet cam to the let engine,

now i know the zetec cams are pretty good standard ie lift wise but what about reducing the lift on the exhaust to get the exhaust valves opening a little later on power stroke,

opinions
ps a little page ive been reading
http://www.max-boost.co.uk/max-boost...ams_C20LET.htm