Justin,
There is a company that makes 3.90 gears for the 1 tons but i don't
remember who off the top of my head. I was going to go with that but
now I'm looking at finding a NAPCO setup and will probably wait and do
both axles at the same time.
Other possibilities include Overdrive, a brownie unit, and one of the
easiest things, Tire Size. My fire truck will do over 70 mph with a 6.50
rear end because it has a 0.861 overdrive and 900-20 tires.
Most of those 1 tons came with 17" or 17.5" tires, Over the years these
have been replaced with easier to find 16" rims reducing the available
top speed.
--
John Dorsey
Wauchula, FL
'52 GMC 640 Firetruck http://www.strato.net/~jrdorsey/fire/fire.htm
'49 Chevy 1 ton Panel http://www.strato.net/~jrdorsey/truck.htm
'51 Chevy 'burb (by proxy) http://www.strato.net/~jrdorsey/burb
"Justin C. Earl" wrote:
>
> Anyone have any ideas for the 8 lug dual wheel rear ends on a 1 ton? I'm
> going to need to be able to get this truck on the interstate (mobile road
> service) and do at least 65-70 mph. I notice the gear change kits sold mail
> order are only good for 1/2 ton trucks. =(
>
> Thanks!
>
> -Justin Earl
> '51 Chevy 1 ton dually
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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