Need Advice, Suggestions

Just caught your thread John.It sounds like your pinion angle has been the culprit all along(-14??WTF?)Your gonna need to remove the perches and re-install at -3,swap your leafs and you should be good to go after swapping your power steering pump.The 1966 Darts didn,t come with the Trunion driveshafts,that ended in 1965.FYI.Happy motoring.