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long term drivetrain plans

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Old Apr 4, 2010 | 11:44 PM
  #31  
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thats why I'm feeling the need for a real crawl ratio in the transfer case(s) if I'm keeping the auto, otherwise I'm afraid it will hook up and jump foward in a fashion I won't be able to keep under controll.
with the np435 I could probably keep the stock transfer case gearing, still would need an overdrive unit though for highway speeds
 
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Old Apr 4, 2010 | 11:49 PM
  #32  
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ZF547 would get you pretty close, Some of the 42s will to but they must be rare. ZF6 would be even better.
 
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Old Apr 4, 2010 | 11:52 PM
  #33  
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isn't the zf5 intergral bellhousing?
wonder how much a tranny shop would cost to rebuild me one with the gasser gears in the diesel?
 
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Old Apr 4, 2010 | 11:52 PM
  #34  
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Originally Posted by peruses
thats what I'm looking for; think I can get there and keep the c6?
Low stall torque converter and low gear kit for the C6. And then an upgrade to hydroboost to get it stop as this combination can easily overcome them.

Jason
 
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Old Apr 5, 2010 | 12:00 AM
  #35  
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As far as crawling around and over rocks and other obstacles, you can get by with higher gears with an auto, or at least that has been my experiance.
 
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Old Apr 5, 2010 | 12:03 AM
  #36  
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The ratios of the ZF6 would be awesome, but would limit your options for cheap double transfer cases with the 4wd version. It has a larger output shaft. A 2wd trans and divorced setup could work. But I'm not sure if there is a 203/205 doubler based off of a divorce mount 203. It may work, assuming that the married and divorced 203's are identical where they attach to the drive section. The problem I would have is that extra long front driveline.


Originally Posted by starmilt
As far as crawling around and over rocks and other obstacles, you can get by with higher gears with an auto, or at least that has been my experiance.
The TC allows you to cheat a bit with higher gearing, but they tend to build a lot of heat in the transmission by doing it.

Jason
 
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Old Apr 5, 2010 | 12:09 AM
  #37  
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Very true about the heat. It took me a long time to kill the 350 in my old blazer though and it was treated pretty bad, lol
 
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Old Apr 5, 2010 | 01:08 AM
  #38  
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BTW folks this thread has been awsome for me so far, thank you for all the numbers and experience
 
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Old Apr 5, 2010 | 01:57 AM
  #39  
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to bad this setup is for a chevy
Chevy 4Spd/205 w/overdrive
anyone know what it would take to change it over for my truck?
 
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Old Apr 5, 2010 | 08:29 AM
  #40  
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I don't know if it can be changed, if you did your ford would be mad with you. lol
You can find ford 4spd 205 combo's pretty easy and cheap.
 
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Old Apr 18, 2010 | 01:33 AM
  #41  
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so dragging this back up and dusting it off, cause my tax check is in

I'm down to two options, I have a line on parts for both right now
e4od-np203/205 doubler
c6-bw1356-gear vendor(maybe in the long term divorced np205for doubling)

seems the advantages are:
e4od I'll have a lot easier time getting the double low for wheeling, and lock up converter
c6 might be more reliable and with my injection pump letting me turn 3500 i'll have over second for steep hills

costs are likely to be
e4od tranny $500 controller $800 check and replace week parts??? any driveline mods or is it the same length as the 4x4 c6? down the road probaly $4-600 to build the np203/205 doubler box up and replace driveshafts
gear vendor $1200 for complete setup used with drivelines, same $4-600 likely for finding a divorced np205 and custom driveshafts

anyone got any more help for me
Dave S?
 
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Old Apr 18, 2010 | 03:27 PM
  #42  
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What are you going to be using it for? What size tire are you planning on? Axle ratio?

Unless you are going to be doing some extreme rock crawling with your diesel, I would spend your money on an overdrive and forget about doubling the transfer case. With the right gearing and an OD automatic, there aren't many trails that you can fit on where gearing will stop you.

Jason
 
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Old Apr 18, 2010 | 03:39 PM
  #43  
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its not so much gearing will stop me that I worry about, as lack of gearing leads to more breakage, especialy with an auto as I tend to get an undesireable ammount of wheelspin every time they break loose. nothing snaps axles like smoking tires catching on something sudenly.
I'll most likely end up on something close to a 35" tire at stock ride height with a body lift and some fender clearancing though a dana 60 front and small lift is definitly a posibility if I find one cheap
and as to use I like to claim I just keep a 4x4 to get to the better camping and fishing spots, but that being the case I often don't have another truck along to help me get out, been some long walks due to breakage, so i move real slow and carefull and value controll over abosolute ability.
 
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Old Apr 18, 2010 | 04:00 PM
  #44  
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I would invest your money into a rear locker before a second transfer case. Without traction at the wheels, the tires will still want to spin.
And there is more chance for breakage with more torque multiplication and a lack of traction. You will be amazed at how much farther you can go with just a rear locker.

With 35's and a Dana 60/ 10.25, you're not going to have much problem with breakage as long as you keep the maintenance up.

Jason
 
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Old Apr 18, 2010 | 06:13 PM
  #45  
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yep rear locker is definitly wanted, though my factory lsd does seem to work well does OX make one of their cable operated lockers for the 10.25?
 
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