I have a 76 ironhead with a keihen F20QAB24; slow jet is 52, main is 155.
I have a 84 ironhead I just got going for my wife and it has a keihen B81B QD26; slow jet is 78 and main is 170. Any one have any idea what year bikes these carbs came off of? My 76 definetly better than the 84. All wisdom will be greatly appreciated. FYI, The 76 runs straight pipes.