well i am deep imto the jetting now ...trying all kimds of combinatios jet, tubes and air bleeds ... i have really made progress on the primary ive seen it idle as low as 6-700rpm and maintain it while i was adjust it ....seems i have got it idling good at 1000 rpm ...and no gassy smell ....it also seems to rev good ... as of now i have 145 idle jet .....120 gas jet....220 air bleed im primary ....tube is stock it came with ....now the secondary is something else .....this carb is like the magnum series of the 32-32 ...22-22 carb ....and the transition to the secondary hasnt been good yet .. the increase in air flow over the smaller carb is more so in the secondary ...it wants to crack and pop in engaging secondary right now i am assuming it is way lean and getting way to much air ... i am for sure air flow is there to make good charge ... but the engagement bounce from primary to secondary is hard to adjust ... the few times the secondary has kicked in somewhat good the bounce has been hard ...the 32-32 carb is much smoother so far in my experience ....right now i am ... 65transition idle jet ...105 gas jet ...stock tube....and 220 air bleed in secondary ....thats pretty much max air bleed ...and i will try and bring gas jet up to it ... pretty much what i did on primary so far ....just looking at things it might be a huge bump in gas jet to get this to work good :builder: :headscratch: