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Old Dec 21, 2005 | 06:40 PM
  #1  
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Transfer Case

Building up a mini monster truck out of a ranger. its gonna have 2 1/2 ton rockwells, 48' firstone tera floaters and a 429 boss hemi. Now my question is what should u use for the transefer case? Should i use a 205 or something else. What do monster trucks run, would that be better? Help me out please

Todd
 
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Old Dec 21, 2005 | 06:46 PM
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Monster trucks don't use a transfer case, they use a drop box which is not selectable. It's chain driven full time 4x4. What kind of suspension do you plan to have and how much lift? This will have a lot to do with what you use for a transfer case.
 
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Old Dec 21, 2005 | 06:47 PM
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really the only thing strong enough will be the 205's as far as light trucks go. you could look into the t-cases the deuce and a halfs use or out of some really heavy duty 4x4 trucks. you might start looking under the big trucks in j-yards and see if something looks appealing

-cutts-
 
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Old Dec 21, 2005 | 06:50 PM
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Originally Posted by fishmanndotcom
really the only thing strong enough will be the 205's as far as light trucks go. you could look into the t-cases the deuce and a halfs use or out of some really heavy duty 4x4 trucks. you might start looking under the big trucks in j-yards and see if something looks appealing

-cutts-
A freshly rebuilt NP203 full time unit would handle it too and would play well in the rig by offering fultime and "locked 4x4 drive.
 
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Old Dec 21, 2005 | 07:00 PM
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ivanribic
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The chain in a 203 will stretch and break in no time flat with the drivetrain he plans to run. A 205 would hold up fine but may not put the outputs low enough for such a short wheel base high lifted truck, even with toploading axles. You may need a custom drop box like what Skipped_Link built or you can buy a monster truck drop box if you want to shell out the $$. If you want one let me know, I may have a line on one.

I also think Fishy's suggestion of the Rockwell transfer case is a good one, I looked at these a while back with air shift, they're pretty slick and extremely strong. I believe the outputs are centered as well so they'll work great with the Rockwell axles.
 
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Old Dec 21, 2005 | 07:32 PM
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i wanna know where the boss 429 is coming from!!!! i want pics, ive only seen them on tv
 
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Old Dec 21, 2005 | 07:46 PM
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Well C & C motorsports makes new boss 429 and all the way up to i think 720 ci boss hemis heres the addy http://candcmotorsports.com As for the suspension was going to use tri four link, coilovers and shocks. More i think bout i will need a drop box 205 would be too long. Thanks for all the input.
 
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Old Dec 21, 2005 | 07:55 PM
  #8  
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Originally Posted by ivanribic
The chain in a 203 will stretch and break in no time flat with the drivetrain he plans to run. A 205 would hold up fine but may not put the outputs low enough for such a short wheel base high lifted truck, even with toploading axles. You may need a custom drop box like what Skipped_Link built or you can buy a monster truck drop box if you want to shell out the $$. If you want one let me know, I may have a line on one.

I also think Fishy's suggestion of the Rockwell transfer case is a good one, I looked at these a while back with air shift, they're pretty slick and extremely strong. I believe the outputs are centered as well so they'll work great with the Rockwell axles.
A 203 will hold up fine here with the axle ratios in rockwells. The people that stretch them run tall gears with big tires and never service the Tcase regulalry with 30W non detergent oil as it calls for because it does not foam in tcase and it lubes better too.
 
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Old Dec 21, 2005 | 08:04 PM
  #9  
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I looked around and found some drop boxs but cost a little much. Is there anywhere that shows how to build one if i had plans i could.
 
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Old Dec 21, 2005 | 08:40 PM
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For your application I'd stick with the rockwell case unless you have the coin for a dropbox.

The 203 would be a poor choice in your case.
 
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Old Dec 21, 2005 | 08:49 PM
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Originally Posted by proeliator
For your application I'd stick with the rockwell case unless you have the coin for a dropbox.

The 203 would be a poor choice in your case.
You under estimate them. I have seen them take a beating in plow trucks when properly serviced. I remember when they were new. It is a very strong case and rarely gives you any trouble if it is serviced properly with the correct lube. Many put wrong oil in them and/or do not service them properly and blame it on a bad design. Heck I even have a 79 J20 with a Quadratrac that ALL the power goes through the chain (not usually half like with a 203 and a 203 has a bigger chain too) I have owned it for over 20 years now and pushed snow with it until a few years ago and never had 2 cents of trouble from Tcase and chain is still within slack limits but I did service it regularly. The chains rarely stretch, they wear in cross links when not serviced regulalry and properly and this wear makes the chain appear stretched. The 203 is a very heavy and stout Tcase and very well built, heavy and far stronger than the Tcases they put in any modern P/U of any brand. Left stock they are about the equal of a 205 in strength.
 
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Old Dec 21, 2005 | 08:57 PM
  #12  
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Originally Posted by The SnoMan
The 203 is a very heavy and stout Tcase and very well built, heavy and far stronger than the Tcases they put in any modern P/U of any brand. Left stock they are about the equal of a 205 in strength.

HAHAHAHAHAHAHAHAHAHAHa
 
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Old Dec 21, 2005 | 09:01 PM
  #13  
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The 205 is a good choice. It is strong and a variety of yokes are available after market, 1310, and I think 1410 too. You can twin-stick it if you need to.
The Rockwell 2.5 t-case is a bit big but it will work. It has about 12" drop between the input and the outputs and is available with air shift or manual. Take outs are around $350 or so. If you want some pics/measurements on the rockwell, I have one that I would be glad to measure for you.
Some of the monsters run the Pro-Fab case. Guess it depends on $$$. They are strong and light.
FWIW I've never been a fan of chain drive cases but I have not had one problem out of the B/W1356 in my F 350 diesel. These have the same bolt pattern as the mated 205s do so here is another choice.
That is going to be one fine ranger when it's done. I had a 79 150 with rockwells years ago. I ran the stock 205 with the rockwell 2.5.
 
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Old Dec 21, 2005 | 10:12 PM
  #14  
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Originally Posted by The SnoMan
I remember when they were new.
back in the day before any of us were born?

Originally Posted by The SnoMan
and blame it on a bad design
not a bad design, just the chain stretches... and yes the chain stretches i have seen it.

the 203's are stout and heavy but they dont compare to the 205's mainly due to the chain... if it was a gear case then it'd be comparable

-cutts-
 
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Old Dec 21, 2005 | 10:26 PM
  #15  
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get a NP208, they are completely bullitproof, and SO Xtr3m!

thats about all i can offer, but i would like to see the mini monster ranger.
 
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