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I think I remember something about how old the cv carb is, is what float needle to use, the older cv carbs had round style floats and newer is a square style and I think one used the three and the other the four
This is correct.
However circa '92 they changed totally to the 4-sided and all OEM replacements are 4-sided after that.. (and they cost 30 bucks from a dealer now) If you find a 3-sided it's aftermarket.
