2002 express van cobra conversion/98 MARKIII

Hello, new to forum. NEED SOME INFO. LOOKING TO PURCHASE ONE OF TWO VANS. #1 2002 COBRA HI TOP CONVERSION WITH A 4.3 V-6 THE SECOND IS A 98 CHEVY MARK III CONVERSION WITH A 5.0 WOULD LIKE TO KNOW IF ANYONE IN THIS FORUM HAS EITHER VAN, OR ONE WITH THE 4.3 V-6. NEED TO KNOW IF THESE VANS WORK OKAY WITH THE V-6. HAVE ONLY HAD ONES WITH V-8S. NEED TO KNOW IF THEY ARE SLUGGISH, TOWING CAPACITY STUFF LIKE THAT. ANY HELP WOULD BE APPRECIATED. THANKS

:banghead: Come on folks, there has to be someone out here that owns a high top conversion van with a v-6. I need some info on this motor. PLEASE.