I've got a guide to spinfixing my way sorta-completed. It works on the server (yes, I've tried it and didn't get banned), and it's impossible to abuse. The only problem is that it puts the onus on the player to make work and is somewhat difficult to apply on a large scale. The best way I can think of implementing it en-masse would be if someone would write a simple program to edit constants.ini using a bunch of pre-set values. If someone could do that, it'd be REALLY easy to implement on a full scale.
Everyone in the cruiser balance chat will soon see the guide.