1970 f250 towing capacity. a good cam is needed, a mild cam tends to build up excess heat and will detonate going up hill with good gas. it has towed a water logged sail boat that weighs 4500 dry, on a 1000lb trailer. The GVWR is listed as 6100lbs on the door jamb. Apr 3, 2017 · Anyway, I am considering purchasing a travel trailer and would like to know what the official factory towing capacity is for my 1970 F250 camper special. Thanks in advance. Feb 2, 2010 · Towing capacing for a '71 F-250 by ttyR2 » Tue Feb 02, 2010 8:34 pm I have a 1971 F-250 camper special with a 390 V8 and am trying to track down the rated towing capacity for this truck. Aug 21, 2006 · 1967 - 1972 F-100 & Larger F-Series Trucks - Towing capacity - Hello all! I have the opportunity to buy a pretty solid 1970 F250 camper special with a 390. It has disc brakes in the front. Mar 16, 2018 · In 1970, Ford fitted its F250 line of pickup trucks with engines also manufactured by the Ford Motor Company. Feb 21, 2002 · I have a 1970 250 custom camper special w/390 2bbl,NP435 4-speed,dana 60 2.