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[VAC] '66 Ford F-250
Bob,
I assume you meant F-250 which is a pickup vice E-250 which is a van.
Check the GVWR rating tag in the driver's door. It should be 7500 pounds if
it was equipped as the highest capability 3/4 ton Ford of that era. If it
is less, a rating in the 6200 pound range, it would be a light duty 3/4 ton
p/u which would still be adequate for a smaller and lighter trailer. The
"one ton drive train" claim may be only sales hype as 3/4 ton and one ton
trucks used the same engines and transmissions, only the rear axle and
springs were higher rated. The one ton would have also had a thicker
stronger frame, larger brakes, and would require a three point race driver's
harness to keep the driver behind the wheel on a rough road. If that truck
has a rear axle assembly removed from a one ton as the seller claimed, it
will probably have a 4.56:1 ratio which will have the engine buzzing at
nearly 4000 rpm at 60 - 65 mph. One ton trucks of that vintage were "fender
side" pickups with 9' beds.
If the truck you are considering has a 351 Cleveland the original engine has
been replaced with a later engine. A '66 Ford would have been originally
equipped with a 352 ci or possibly a 390 which is the same engine with a
longer stroke. The 352 and 390 were a different design, reliable but slow
and not fuel efficient.
If the old truck is in good shape it will make a good tow vehicle for your
trailer but it won't be economical, even with 2 barrel carburetor. You will
need all 60 gallons of $2/gallon gas to tow with it.
A C-6, if that is what it is equipped with, is a very tough old
transmission. I think it is the basis of the later E4OD overdrive
transmission.
Harvey Barlow