A New Brownie thread . . .
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Anyways,my plan is to find and install an aux trans. The truck is all original (88k miles) and i cant bring myself to put a T5 in it,and want to keep the stock Timken rear so i can stick with my 6 on 7.25 bolt pattern front and rear.
Does my stock 239 flattie have enough HP to run both trans,and still get out of its own way? Not building a race truck,and dont expect any miracles in the pulling dept,but want the truck to be more useable on the highway,and up hills. Plan to tow a small-medium trailer in the future.
I am open to all and any advice on this as I will be starting the project as soon as i have a plan.
Anyways,my plan is to find and install an aux trans. The truck is all original (88k miles) and i cant bring myself to put a T5 in it,and want to keep the stock Timken rear so i can stick with my 6 on 7.25 bolt pattern front and rear.
Does my stock 239 flattie have enough HP to run both trans,and still get out of its own way? Not building a race truck,and dont expect any miracles in the pulling dept,but want the truck to be more useable on the highway,and up hills. Plan to tow a small-medium trailer in the future.
I am open to all and any advice on this as I will be starting the project as soon as i have a plan.
A T5 would be a disaster. I destroyed 4 of them, my one ton eats the rear cluster bearing in under 1000 miles trying to use OD.
The aux box is exactly what you need. Trucks like yours is what it was designed for. It will allow you to split gears to climb the grades with more speed. You will be able to tow a trailer and reach highway speed in less time. It is the equivalent of adding a gear inbetween those you already have plus overdrive that will put you near 60. Do not get a deep OD. Stay with an OD of about .80 or .85.
If you get a lower number on the OD gear your engine will not have enough power, it will lug and eat up a lot more fuel.
The only real tips I can give on installation is that any three speed floor shifter from a van works great. Ford had a lot of them in the 70s. Make a bracket to attach to rear of main tranny in such a way that the shift rods run straight as possible. Any angle such as a drive line has will cause binding and excessive wear. Keep driveline between trannys as short as possible and perfectly in line. failure to do so will result in vibration and or excessive bearing and joint wear. The rear drive line may require the addition of CV joints due to increased angle. Best boxes to explore are the 5831 or 7031. A spicer 5831C will allow you to split gears both up and down. Any aux box with ratios that split more than .25 are not as useful. The shift patterns become difficult to remember.
A typical wide ratio 4 speed with a 3 speed Aux Box will drive like a nine speed. Plus you will have 3 seldom used low gears. with 5831 you can get 1.27 UD and .85OD. The 7031 can deliver much the same.
You have another 5 speed option if all you want is OD. Find a ford scattershield bellhousing and use an NV4500 from a chevy. This is much less work. You have to adapt the speedo output but overall it is much easier. Personally I favor the Aux Box because it will give you more towing ability at high altitude. Slow highway speeds are not all bad but 20 to 30 miles at 15 mph gets very irritating for you and the people behind you.
Just a little food for thought. I hope its somewhat useful.
George
A T5 would be a disaster. I destroyed 4 of them, my one ton eats the rear cluster bearing in under 1000 miles trying to use OD.
The aux box is exactly what you need. Trucks like yours is what it was designed for. It will allow you to split gears to climb the grades with more speed. You will be able to tow a trailer and reach highway speed in less time. It is the equivalent of adding a gear inbetween those you already have plus overdrive that will put you near 60. Do not get a deep OD. Stay with an OD of about .80 or .85.
If you get a lower number on the OD gear your engine will not have enough power, it will lug and eat up a lot more fuel.
The only real tips I can give on installation is that any three speed floor shifter from a van works great. Ford had a lot of them in the 70s. Make a bracket to attach to rear of main tranny in such a way that the shift rods run straight as possible. Any angle such as a drive line has will cause binding and excessive wear. Keep driveline between trannys as short as possible and perfectly in line. failure to do so will result in vibration and or excessive bearing and joint wear. The rear drive line may require the addition of CV joints due to increased angle. Best boxes to explore are the 5831 or 7031. A spicer 5831C will allow you to split gears both up and down. Any aux box with ratios that split more than .25 are not as useful. The shift patterns become difficult to remember.
A typical wide ratio 4 speed with a 3 speed Aux Box will drive like a nine speed. Plus you will have 3 seldom used low gears. with 5831 you can get 1.27 UD and .85OD. The 7031 can deliver much the same.
You have another 5 speed option if all you want is OD. Find a ford scattershield bellhousing and use an NV4500 from a chevy. This is much less work. You have to adapt the speedo output but overall it is much easier. Personally I favor the Aux Box because it will give you more towing ability at high altitude. Slow highway speeds are not all bad but 20 to 30 miles at 15 mph gets very irritating for you and the people behind you.
Just a little food for thought. I hope its somewhat useful.
George
Thanks again.
I don't know what you have but your e-brake should not need to be disturbed. Most of those trucks use a driveline flange that just bolts to the brake drum.
Take a more simplistic view of it. If your drive line has a center support bearing. The Aux Box is simply a center support bearing so big you need to shorten the front driveline.
George
I don't know what you have but your e-brake should not need to be disturbed. Most of those trucks use a driveline flange that just bolts to the brake drum.
Take a more simplistic view of it. If your drive line has a center support bearing. The Aux Box is simply a center support bearing so big you need to shorten the front driveline.
George
You are making my day here!! I am working on a deal on a 5831 C, and also have a member here with a 5831 B available so between the two I should be good to go. That is great info regarding the driveline,we have a few good local driveline shops so it should be a snap provided the box I buy has the ends( box side) to work with. Regarding the E brake, my understanding was it needed to be mounted on the last trans in the driveline....are you saying I can just leave it on my existing trans and call it a day? that would sure make things easy. I thought that because the A box has a neutral it would need to be behind that.
Does it need to be rubber mounted like the Trans?
Cheers!
Brian
Ford Trucks for Ford Truck Enthusiasts
You are making my day here!! I am working on a deal on a 5831 C, and also have a member here with a 5831 B available so between the two I should be good to go. That is great info regarding the driveline,we have a few good local driveline shops so it should be a snap provided the box I buy has the ends( box side) to work with. Regarding the E brake, my understanding was it needed to be mounted on the last trans in the driveline....are you saying I can just leave it on my existing trans and call it a day? that would sure make things easy. I thought that because the A box has a neutral it would need to be behind that.
Does it need to be rubber mounted like the Trans?
Cheers!
Brian
George
it has also made me realize that I am sitting on a goldmine of dirty Ford truck parts.

I have a Watson / Dana box, and the complete shifter/rod/assembly is all intact on the truck. My setup has the E-brake drum and all linkage mounted on the back of the aux trans, as it should. E-brake lever to drum; all of it included.
I haven't set aside the time to clean the truck up, or yank the parts. So at this point, I'd offer to either yank the unit now and post for sale, or leave it in the frame to see how it mounts and is organized. (or, we could discuss taking the whole frame/drivetrain/etc. I just want the sheetmetal.)





I'm thinking $2000 obo
PM me or email me at the link in my profile. (email's fastest for me)
it has also made me realize that I am sitting on a goldmine of dirty Ford truck parts.

I have a Watson / Dana box, and the complete shifter/rod/assembly is all intact on the truck. My setup has the E-brake drum and all linkage mounted on the back of the aux trans, as it should. E-brake lever to drum; all of it included.
I haven't set aside the time to clean the truck up, or yank the parts. So at this point, I'd offer to either yank the unit now and post for sale, or leave it in the frame to see how it mounts and is organized. (or, we could discuss taking the whole frame/drivetrain/etc. I just want the sheetmetal.)





I'm thinking $2000 obo
PM me or email me at the link in my profile. (email's fastest for me)
Your Goldmine may turn out to be more of a small nugget. I have bought many of these over the years and they are just not worth that much unless you find a first class idiot. If you do a web search you will find any number of them priced at $200 to $300 used, $800 to $1200 rebuilt. They are only worth a lot if you can sell them in parts. Each will yield about $2,000 in parts if it has the right gear ratios but that could be a 20 year project. Good Luck
I saw in here someone asking $1800 for the box so I figured for a couple hundred more you get the shifter and e-brake assemblies.. no dice?
Preferable sooner than later, I'll have the frame gone, but I planned to yank the box and assembly...scrap the rest.
I need room, and I need money.
P.S., if you have time, I could use that too.
I saw in here someone asking $1800 for the box so I figured for a couple hundred more you get the shifter and e-brake assemblies.. no dice?
Preferable sooner than later, I'll have the frame gone, but I planned to yank the box and assembly...scrap the rest.
I need room, and I need money.
P.S., if you have time, I could use that too.
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>SPICER (brownee) auxillary gear box - $2200 <o
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>I have a 5831 Spicer auxillary transmission completely reconditioned for sale with the installation kit for a ONE TON TRUCK. This is a 3 speed box with under, direct and overdrive. I removed this recently to sell my truck and wanted to sell this separate. It has the mounting to install in any truck with adjustments if needed. Included is the two drive shafts balanced and with the joints to install the trans. Included is the shifter unit that mounts beside the tail shaft of your transmission on the trans cross member. 281-689-xxxx:
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>This is for someone with a lot of money who is lacking common sense and mechanical ability. Thats a current craigslist ad from Houston. It has pictures. The shift rods are at least 5 feet long. How long is your truck? The mounting defies description. Are your frame rails the same width? Is your wheel base the same as his? Is your engine the same as his? Is your main tranny the same as his? Unless every detail of your truck is exactly the same as his the parts are just scrap iron that you can possibly make parts out of. There are a lot of ads out there like this. They all have the same common goal. To pray upon someone's ignorance.<o
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>Craigslist and Ebay are educating the crooks. Teaching then how to market useless junk at outrageous prices to the ignorant public.
Ebay has what they call buyer protection but whats for sale is the gear box all the attractive additional parts will not be covered.
If you think $2,000 is a good deal, I have one I would gladly sell for a mere $800!
Thanks guys....
this is what the spec plate says as it says it
Watson transmission
made by
brown-lipe gear
spicer manf. corp. toledo ohio
model 39 m1
serial # w22 0 60
if anyone can tell me ANYTHING about what i have it would be much appreciated becouse i knw verry little about it ......






