Datsun 2.0 lb build... Tried two of Crane's "World Cams" (this was '88..,nothing's changed..) ,both were too large ..(smallest ,222@ .050,stock 108 lobe center,next one up,add 10 degrees @ .050" ,both about .490" lift.),and were turds,due to my lack of knowledge. Went into a local air cooled VW...