Quote Originally Posted by 42K3
This stuff comes in handy for press fitting parts like GM power steering pumps. 5 minutes on dry ice will shrink the pump, 15 minutes in the oven @ 220 will expand the housing. Little grease and they pop together nicely. This week I will try it on cam bearings. Local grocery outlets carry it. Bring leather gloves if you are going to handle.
http://www.dryiceinfo.com/
And don't forget to roll you window down or carry it in the back of your pickup. The stuff is CO2 and it displaces oxygen. It'll make you dingy if you drive in a closed car with it.