guinea pigs, where u at?
Elder User
Joined: Nov 2005
Posts: 575
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Originally Posted by ivanribic
Another thing, not to be a negative Nancy here, but there are a LOT of new companies making unique 4x4 parts right now. That's really good news for us and really cool for parts. But what guarantee do we have that they'll be around in 10 years, 5 years or even next year? It would really suck to invest that much money and then find out they couldn't pay the bills and closed shop.
Id take a Dynatrac ProRock 60 with Dedenbear knuckles and inner C's, converted to king pins, with Longfield 300M CV axles, Yukon gearset, and an ARB over that thing, because its all proven reliability. And that other axle, the one that looks like an ox yolk, would never be under my truck. Reminds me of a welded together TTB setup.lol
Post Fiend
Joined: Sep 2000
Posts: 8,238
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From: Oregon
I love the clearance on those, but I've been looking at them and mogs for awhile now, and I'm not convinced they'll hold up to 52"+ tires and jumps.......which is my plan for the future. That pretty much a recipe for snapping the portal boxes right off.
Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
Originally Posted by proeliator
I love the clearance on those, but I've been looking at them and mogs for awhile now, and I'm not convinced they'll hold up to 52"+ tires and jumps.......which is my plan for the future. That pretty much a recipe for snapping the portal boxes right off.
-cutts-
Post Fiend
Joined: Sep 2000
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From: Oregon
I'm only at 6k. Thats pretty damn trim with all the reinforcing I've done, the 44"s and steel wheels. Thats the thing, you truss a rockwell and run the chromo shafts your in pretty damn good shape...its typically not ever the knuckles that are cutting loose on them, but even those you can plate. As far as mogs go the 1300u's are the ones that are the bomb but like any of the "normal" portal axles, they're great for static loads (i.e. troop/supply movement) but not so great for shock loads (minor jumps). No point in buying those bling axles if they're gonna hold you back from jumping your truck 
Posting Guru
Joined: Sep 2002
Posts: 2,195
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From: San Antonio, Texas
Originally Posted by proeliator
I love the clearance on those, but I've been looking at them and mogs for awhile now, and I'm not convinced they'll hold up to 52"+ tires and jumps.......which is my plan for the future. That pretty much a recipe for snapping the portal boxes right off.
Or just find a set of axles that they use, what do they use anyway. I want to know.
Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
Originally Posted by proeliator
No point in buying those bling axles if they're gonna hold you back from jumping your truck
wow, 6K is pretty light for that truck!
-cutts-
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Post Fiend
Joined: Jul 2003
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From: Spokane, WA
Originally Posted by chrono4
they use ZF axles, and Pro, i know an engineer that works for ZF, hes had prototypes in his garage before so he could work at home, a set could "disapear" 
What most of the trucks are using is Clark or Pettibone axles with Clark planetaries. They like to stick to stuff that replacement parts are plentiful for.
Elder User
Joined: Apr 2004
Posts: 612
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Just to add a little to the monster truck tech, Tom Meents (maximum distruction) is also running ZF axles, (even lighter version than Bigfoot) with a lot of reinforcement, & the most comon monster truck diff is constructed using rockwell F-106 hounsings with clark planeteries, the axle shafts are custom built units, easily obtained from SCS gear,
I've looked into this a couple times,
I've looked into this a couple times,
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Post Fiend
Joined: Jan 2004
Posts: 5,377
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From: Elkhart IN
ivan, last time we went through st louis, we peaked into the bigfoot shop and from what i could see every one of the truck in there had zfs under them, so they must be somewhat gettable.
Post Fiend
Joined: Jul 2003
Posts: 11,945
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From: Spokane, WA
Originally Posted by chrono4
ivan, last time we went through st louis, we peaked into the bigfoot shop and from what i could see every one of the truck in there had zfs under them, so they must be somewhat gettable.
Interesting info about Mentz, especially considering all the carnage his axles go through at the finals each year. He's constantly snapping wheels off but I can't tell if it's the knuckle itself giving out or if he's sheering spindle bolts.
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