I'm sure there is a special tool but if you've got a grinder (bench prefered) and an old large allen key, get to grinding

. I've made "special" tools this way and welders also help to add material if you need it. It doesn't have to be pretty, just functional.
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, Jon
Owner of a Red Sled.
If it\'s EFI I can tune it. Specialize in 82-95 GM (yes Lt1\'s)
\"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......Then, you have enough horsepower\" - Mark Donohue