riggsracin Posted September 14, 2009 Report Share Posted September 14, 2009 yes i have a banshee it has wisceo pistons, 5mm long rods, 17cc domes, t5 pipes and a port job. i had a friend jet it he put 200's back in and did a plug chop and said they looked fine. but it cuts out and pops when u rev it high but not extremly bad and it you have to give it like 1/2 throddle to take off. it just dome seem right. it ran good before i put them domes in and had it ported. it has 165psi in each cyclinder. any help? Quote Link to comment Share on other sites More sharing options...
riggsracin Posted September 14, 2009 Author Report Share Posted September 14, 2009 also were about 850 - 1000 feet above sea level Quote Link to comment Share on other sites More sharing options...
riggsracin Posted September 14, 2009 Author Report Share Posted September 14, 2009 also were about 850 - 1000 feet above sea level any one? Quote Link to comment Share on other sites More sharing options...
RippinShee Posted September 19, 2009 Report Share Posted September 19, 2009 If you're using stock carbs, 200's are WAY WAY too lean. Try 320's around there. Also stock carbs on a ported long rod setup are causing you loss of power. Get bigger carbs. Quote Link to comment Share on other sites More sharing options...
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