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I checked with a couple of vendors and they tell me that the mustang disc brake systems will not work on a 1 tonner. Has anyone converted 1 tonner to disc brakes? If so what system dd you use?
hi,
I have a 1940 one ton ford and did not find any info either. since my truck is mostly original, i decided to reline the brake shoes at a local shop in houston, heitmans, on east side of town. they do excellent work, fair price.
what i have seen is a complete rebuild of a front end, most folks use MII, not sure why they said it would not work. it will take changing out the front axle and welding new mounts.... very involved.
there was one pic i saw which looked like they may have re-used the old cross beam and simply added new spindles.
my best advice is to take detailed pictures and measurements and try finding a match at an oreilly's where the can pick a few sample parts from modern ford trucks for you to look at. or take the parts with you to the store.
otherwise, if you do not plan on a huge horsepower engine upgrade, just keep the old drums, especially if it is just a local around town fun car. remember, these trucks topped out at 30-40 mph on a good day. they were not designed to go on a modern highway at high speeds.
i did add one mod - i used a power master dual cylinder from a 67 cougar, pn 50-3202
to add a little help in braking, welded up a simple bracket to mount it under the cab. i hope that is enough to make a difference, not tested it yet.
let me know if i can help, and keep me posted if you find anything. if you change the front, you will also change the wheels and bolt spacing, i am trying to keep mine original if possible.
good luck,
mike,
832-723-5412
If you want disc brakes, look into how much difference there is between your 1 ton spindles and 1/2 ton spindles. The I beam is the same between a 1/2 and 1 ton. Once you get the 1/2 spindles then you can use any number of the disc brake conversion kits out there, although you won't be able to use your stock wheels since its an uncommon bolt pattern.
Thanks for the insights. My problem is that the drums are completly gone. they have 3/8 groves in them. If I try to turn them there will be nothing left. I found some shoes for the 1 tonner and I got the rebuild kits for the cyclinders, I just need to locate some good drums.
I thought about changing out the system to a Mustang II but I was told they only fit the 1/2 tons. I understand changing the spindles is a very involved process to get it done right (That is so it will go straight down the road).
Anyhow I'm putting the 1/2 ton back togather first and hopefully I'll locate some brake parts before that one is done.
In my experience the drum brakes on the 1 tons are pretty good since they were designed to deal with large loads as well as the weight of the truck. I would keep the drum brakes. The part numbers you are looking for are: right hand - 92Y 1113 and left hand 92Y 1114. These are the drums for 14 inch rear brakes.
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brakes 40 tonner
