I am looking for some better options other then aftermarket my initial plan was to go megasquirt and is still the first choice but before I put the hemi in my barracuda I am finishing my 67 Chevelle with a 5.3 and a small turbo and wanted to use megasquirt also but there is some sync problems with it. So I was thinking of going with hp tuners and factory PCM but I only want to learn to tune one system. So anyone heard of it being done?