Cat litter works well and doesn't cost much or need to be scrubbed. Just pour it on and wait a few days. Lifts old and new oil.

Eric
http://s1199.photobucket.com/user/sparky234/library/My%2057%20Chevy%20Stepside?sort=3&page=1
'57 Chevy 3100 (Little Red)
'81 RD350 LC - Fun, Fun, Fun
'83 GS1100E - Pocket Rocket