hey jkully,swapped the rear end in my 46 one ton GMC with a corperate 14 bolt, 3.73:1 gears and better brakes.Saw one on craigslist in Tampa the other day they were asking $150.00 BTW one of my buisness partners just got a 1978 18ft.SeaCraft.I believe the spline count on my origonal rear end was 31.Nice looking truck,what size wheels and tires are on it and are they 8lug?
