you said the points had burnt out before they dont usually burn out they get pitted check the timming static if want run propper try swopping the coil for one that you now is the wright one for it you cant bung any old one on some have ballast resister in them some cant run on them check youve wired the points proper with the insulating washer try another condenser you cant trust most f...ing idiots to send you the wright stuff check gap thats what i would be checking first