Diesel JD
Full Access Member
Thanks for the info everyone. Dieselguy 123 you have a PM. Sounds like maybe the 5831 install isn't too bad, lot of work though...
Brownie Box or Spicer 5831
- Thread starter Diesel JD
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MIDNIGHT RIDER
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PICTURES PICTURES PICTURES PLEASE
discbrks
Registered User
I'll try to get you guys some pictures over the weekend... any shots in particular?
How about every angle you can poke that camera into
Seriously though. shift rod clearance over/aside the main box, Mounting position, all that fun stuff.
What size ujoints did you wind up with ?
discbrks
Registered User
Its been raining all day today... and supposed to rain tomorrow too. But if it lets up for a while, I'll get out to dad's house & take as many pics as I can.
FordGuy100
Registered User
I dont know about that one. If I was going to spend $700 bucks (thats the reserve), I would want to know that it was in good condition, and it had the shifter linkage and everthing.
if you are going that far coundnt you take a 4x2 t-18 and cut the input off and put a yoke on instead. would take some machining work but you can pick them up cheep. i am sure you could work out some cable shifting with the top to.
not sure about the gear ratios though.....
not sure about the gear ratios though.....
FordGuy100
Registered User
It would be a killer underdrive, but I'm pretty sure they are 1:1 4th gear, like the T-19, so you wouldnt get an overdrive off of it. Its good thinking though
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it would be purely and underdrive set up which might still work if you put some really tall gears in the rear.
discbrks
Registered User
Well guys, I've been a slacker and haven't gotten your pics yet. But they're comming. I gotta question for you guys (RLDSL in particular): what rearend gear are you planning on running. I ask because my Dad's old truck has a 4.11 in it. I remember driving the truck and you never really use the low range of the brownie - esp. 1st gear & low - you can walk faster than the truck wil idle. Driving empty, I would actually just leave the brownie in high, and start out with the main trans. in 2nd, 3rd, then 4th. If I had his 16' gooseneck with "something" on it, then I'd put the brownie in "direct" (or 2nd), run the main trans from 2nd thru 4th, then shift the brownie in high. I guess what I'm saying is that if you're gonna install the brownie, you might be better off going with a 3.55's. I know the old 390 has a different power band, but I never ran thru all 12 forward gears because I 'had' to - only to show off to my buddys. The 3 reverse gears were the best to show off with!
I've got a 4.10 rear in mine. So far, I may just leave the thing. If anything, I might pop a 3.70 in it, but I doubt I'd want to go any taller. My 5er weighs in around 10k loaded to roll ( add a few more to that with the generator I'm installing right now..add a few more pounds for the bed tank I'm fixin' to put in ) I really want those crawling gears 1st and reverse are way to tall on that zf5, expecialy when you're half crippled like I am. My left knee just isn't up to riding that clutch anymore, but with those deep low gears, just let out the clutch and walk the thing in. It'll make stuffing that 5er into tough spots a joy. For towing I've already figured that I'll probably be using 4 over anyway, so going extra tall on my rear really isn''t going to help my cause. Now I use 4th most of the time because 5th eats too much fuel . 4 over should be in just the right spot for pull power and fuel mileage.
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