rappy660 Posted March 2, 2010 Report Share Posted March 2, 2010 (edited) Hi guys im building a 421 motor, 4 mil crank and 68mm vitos cylinders with drag port. Have pro circuits, k&n pods, and v force 3's and 20cc domes. What size carbs would everyone suggest running with this. Edited March 2, 2010 by rappy660 Quote Link to comment Share on other sites More sharing options...
firebanshee Posted March 3, 2010 Report Share Posted March 3, 2010 (edited) Hi guys im building a 421 motor, 4 mil crank and 68mm vitos cylinders with drag port. Have pro circuits, k&n pods, and v force 3's and 20cc domes. What size carbs would everyone suggest running with this. You have a drag ported cylinder and pro circuit pipes, that combo doesn't go well together. I would run 35mil carbs on gas. What kind of riding are you going to do with this motor? Edited March 3, 2010 by firebanshee Quote Link to comment Share on other sites More sharing options...
rappy660 Posted March 3, 2010 Author Report Share Posted March 3, 2010 any help please Quote Link to comment Share on other sites More sharing options...
BANSHEE HP Posted March 5, 2010 Report Share Posted March 5, 2010 any help please you ever think of callin vitos, theyd prolly have an idea Quote Link to comment Share on other sites More sharing options...
Banchetta Posted March 6, 2010 Report Share Posted March 6, 2010 35's. No doubt. 4 mils like to breath. The larger the carb, the better they go. Quote Link to comment Share on other sites More sharing options...
smokin 421 Posted March 6, 2010 Report Share Posted March 6, 2010 if you ever have any questions vito's is real good at answering them just give them a call they know there shit im running the same motor from them and i love it im running 34's right now but im gona switch to pwk35's great motor and great products i had the vito's 404 sleeve kit before this motor and i had zero problems with that as well Quote Link to comment Share on other sites More sharing options...
tecateman Posted March 7, 2010 Report Share Posted March 7, 2010 i debated on getting the vitos 421 kit but was told its pretty much drag only. i suggest getting some inframe drag pipes. Quote Link to comment Share on other sites More sharing options...
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