Originally Posted by
FMP
Triples are good, lots of potenial. That one has the Merc lower with speedo tube so your speedo will work. Prob. a 2:1 .thru prop. The water pickup isn't as low as the C/F one piece but you can't interchange it's a MERC leg.Power head is a decent piece with three Tillotson WB ( smaller than TC) or some variation of that. Thunder Bolt IGN, good coils, CDI Electronics has you covered if you can't find spare parts if you need them. All the same mods for the 4 work here. Give it some more ex and square things up and cut out the center bridges, more psi to 165 and cage reed work , tune the carbs a bit more jetting, relieve the cav plate with a couple holes for sound and flow.