b-nasty Posted March 1, 2009 Report Share Posted March 1, 2009 Pretty much what the description says. Building a drag 421 and im wondering what size carbs to run. thanks Quote Link to comment Share on other sites More sharing options...
sheefreak Posted March 1, 2009 Report Share Posted March 1, 2009 38-40, pretty much comes down to your preference of manufacturer in that range. Quote Link to comment Share on other sites More sharing options...
2slow350 Posted March 1, 2009 Report Share Posted March 1, 2009 38-40, pretty much comes down to your preference of manufacturer in that range. Yep, what he said.. I believe the most common are 39pwk's. But if you want to spend some money, you may want to try electrons.. Quote Link to comment Share on other sites More sharing options...
tony cub Posted March 1, 2009 Report Share Posted March 1, 2009 Pretty much what the description says. Building a drag 421 and im wondering what size carbs to run. thanks got a set of 40mm lectrons set up for pumps.. Quote Link to comment Share on other sites More sharing options...
kawiking Posted March 2, 2009 Report Share Posted March 2, 2009 i run 39 pwk's on my F.A.S.T. 4 mill (421cc) cub .... Quote Link to comment Share on other sites More sharing options...
badassbanshee479 Posted March 2, 2009 Report Share Posted March 2, 2009 I ran 39pwks on my 4 mill, gonna try a set of 40mm lectrons on my 10 mill Quote Link to comment Share on other sites More sharing options...
alcoholbanshee Posted March 2, 2009 Report Share Posted March 2, 2009 I ran 40.5 Mikuni TMX on mine...ran great...................... Quote Link to comment Share on other sites More sharing options...
Bansh-eman Posted March 2, 2009 Report Share Posted March 2, 2009 I got a set of Alky 38mm Mikuni TM's w/ billet bowls running a pump setup by K&T with new adjustable power jets that Im possibly selling. PM me if your interested. Quote Link to comment Share on other sites More sharing options...
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