Quote:
Originally Posted by Gearhead
I know i've seen the thread on here somewhere cant find the darn thing, anyway somebody know what to look for to see if a 420s has the 475 hp option , not sure but i think mine has it, blue inj. , oval air tube and saleen maf and air box
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Gearhead,
It certainly sounds like you have a 475 upgrade. Do you know what S/C pulley you have? Try to get the part number off of it if you can.