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You are all over the road. 1st.. decide if you have spark .. good spark , at each coil. If you are at least running the oem gap, then you have sufficient ignition potential to fire off the fuel/air charge. extra gap will allow higher KV to build up.. but ig you have weak spark, will cause problems. Once you determine you have good spark a tthe wire, I'd check the cap and rotor. A cracked rotor can short spark.. a carbon tracked distrib cap can short sparks out. I'd pull those plugs and stick the old ones back in. while rare.. i have seen new plugs with cracked insulators ( and that can short the spark out ). next.. fuel issue. if you don't have a good flow of fuel to the carb.. you won't get the engine to run good.. in fact.. it will act like it is starving / lean mainjet. have you adjusted your mainjet ( enriched? ) If not, screw it in, and count the turns, then screw it back out the same number... sometimes a big of crud clogs it and seating it helps.. I'm only familiar with the MS and zenith not the holley.. so can't help you any on holley adjustment.. Post back. Soundguy
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