were is the cheapest place to buy them. im trying to port my engin before i build it back together. i saw a bunch on ebay, but i was hopping to finish this weekend smetime. i have a 1/4 inch air die grinder (22,000) all i need are the bits to finish. please help,

also anyone know if there is a PDF or something with the templets on portingall help well be apreshiated and stuff.

thanks
keith roane

 

Graingers is the only place I can think of that has good carbide burrs locally. They have a rule against selling to people that don't have business accounts with them, but if you go in and tell them your situation they might help you out.