Recent content by lucky7ms

hey i have a sled here that only runs on two cylinders they are 1 and 2, it has good spark on all 4, carbs have been gone through, and has good comp. on a 4, so it has fuel spark and compression on all cylinders but only 1 and two are firing. now when cylinder 1 is at tdc 2 is bdc 3 is bdc and 4...