I've got a Rocco with 2.0 16V block and 1.8 16V head. Only .003 (3 thousandths) shaved off head. I bought an Autotech Sport Cam set, an adjustable cam gear and hydraulic lifters. Would like to do a little advancing of the cams for low end power. Does anyone that has done this, or just knows it, see any clearance issues between the pistons and valves. I can get the numbers for durations and such of cam set if needed. Motor is about to go back together soon so any help is MOST appreciated.