need to solve my problem.car doesn't pull to 7000rpms.have no misfire. 2000cc motor 45dcoes 15/8" header stock exhaust from collector back.290 schrick 9.5:1 cr fully ported head msd ignition 46x38 valves.Specs for carbs are as follows. 36mm venturies,f16 emulsions,55 idle,45 pumpjets 50 bowl jet...