Find two unwanted eddy carbs like yours remove one weight from the doors drop them in your carbs at the track and try it out then come back and tell me what you think
I had a 493 tunnel ram with Eddie carbs had one set of secondaries door has a 3/8 hole drill in each weight and the other set I removed one weight completely for racing
Remove rockers stand a straight edge on valve keepers.This is to check valve alinement.If ok call PRW for to new rockers.If all rockers where the same you could shim shaft:oops: