Ron..... ... repeat after me; IT AIN'CHUR CARB!!!, based upon yer description, its either yer governor or yer distributor centrifugal advance. Keep yer ittchy-twitchy fingers away from them handy-dandy carb tweek'ems. UNDERSTAND??? Right now, I'd say yer governor balls are flat-spotted and yer balls-race is grooved. Grab yer carb to governor throttle rod and try and "JAZZ" yer engine while at about 1/3 throttle. Does it "fight" you? NO?, its yer governor. Simple eh? Howsomevers, worn centrifugal advance pivot points underneath yer points plate can also effect the power and miss at high rpms. Sometimes, inexperienced points replacers use TOO LONG screw to hold the points and block the centrifugal advance causing weak power at high rpms. Check yer points screw MUST BE SHORT #8-32x3/16. (p/n: 355047-S7, $50c cheap) You replaced yer sparkie wires. Make certain yer firing order is correct. 1,2,4,3 CCW. Usually neubies swap #3&4 sparkies..... ..Dell, yer self-appointed sparkie-meister
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