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not really much you can do up front, but you can always change out the skid to from a later model machine.
 

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I have a '90 Mach1, which is the same as your sled except for engine size. I'm seriously considering going to an "SC-10" rear susupension from later model Formulas. I'm told the conversion is no big deal, and the payback in ride comfort is enormous. Up front, TNT340 is right...not much you can do. Might cost you a few hundred $$$
 
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