Thanks for clearing that up Greg! You're absolutely right.
I went to Harbor Freight and bought a 4-1/2" electric grinder, a die grinder, and a 1/4" angle grinder before I started my build. I have about $40 including tax in all three tools. My 1/4" angle grinder started making some pretty nasty sounds yesterday, so I guess it's time to trash it. Not a bad investment for $15...it built most of my car before biting the dust. I really want to see it fly apart before I throw it away! It sounds REAAAALY nasty.
I do suggest a good compressor before starting all this. I had a smaller horizontal 5hp compressor, but it couldn't keep up with the air tools. I ended up buying a 2-stage 5hp 80 gallon compressor from Sears and haven't looked back.
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