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Old March 9th, 2012, 10:09 PM   #1
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Default Homemade Tcase Cable Shifter

Ok I'm swapping in a 231 and I have a few questions regarding building my own cable shifter.

For the cable,
Would a universal push pull cable be up to the task? Or should I look for something else?

For the shifter itself,
How much mechanical advantage should I build into it to ensure easy shifting?
How important are gates and stops, relating to finding all the ranges?
Are the detents in the case strong enough to hold a gear without support? Or are gates required for holding a gear?

Pictures and any suggestions would also be appreciated, thanks
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Old March 9th, 2012, 10:17 PM   #2
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whats it going in? My 95 S-10 has a cable style shifter for the t-case. you could try and find one just like it.
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Old March 9th, 2012, 10:29 PM   #3
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whats it going in? My 95 S-10 has a cable style shifter for the t-case. you could try and find one just like it.
Its going into my 99 blazer. The problem is that I have a 5 speed and unless I can find a floor shifter out of a s10 with a stick the center console wont work.
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Old March 10th, 2012, 07:25 AM   #4
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Quote:
Originally Posted by wadey View Post
For the cable,
Would a universal push pull cable be up to the task?
NO

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Originally Posted by wadey View Post
Or should I look for something else?
Ultralight/Aircraft cable you get great quality for your $$$.
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Old March 10th, 2012, 07:36 AM   #5
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Its going into my 99 blazer. The problem is that I have a 5 speed and unless I can find a floor shifter out of a s10 with a stick the center console wont work.
mines a 5 speed too. i would sell you mine but idk how im going to do my twin stick setup for my 205 yet.
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Old March 10th, 2012, 07:37 AM   #6
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i have cut the gates out of my truck and my jeep. no problem holding gear and as long as you know what you are doin finding the gear is easy. why not build real linkage instead of using cable. never done it but cant be to hard to figure out.
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Old March 10th, 2012, 08:57 AM   #7
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you're going to want a heavy duty push/pull cable.

When I did cable shifts on my previous projects, I used cables from Midwest Control with really good results.
http://www.midwestcontrol.com/part_family.php?id=3

1/4 - 28 is about the minimum size I would use. The disadvantages to going larger are; 1- they won't bend as easy 2- they cost more
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Old March 10th, 2012, 07:52 PM   #8
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Quote:
Originally Posted by Kodiak450r View Post
mines a 5 speed too. i would sell you mine but idk how im going to do my twin stick setup for my 205 yet.
I plan on doing this sometime this month so if your ready by then let me know.

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Originally Posted by mudrunner456 View Post
i have cut the gates out of my truck and my jeep. no problem holding gear and as long as you know what you are doin finding the gear is easy. why not build real linkage instead of using cable. never done it but cant be to hard to figure out.
So I can place the shifter where I want it without a overly complicated linkage setup.

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you're going to want a heavy duty push/pull cable.

When I did cable shifts on my previous projects, I used cables from Midwest Control with really good results.
http://www.midwestcontrol.com/part_family.php?id=3

1/4 - 28 is about the minimum size I would use. The disadvantages to going larger are; 1- they won't bend as easy 2- they cost more
Thanks for the link and size info. Did you order your cables with 3" or 4" throw?
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Old March 12th, 2012, 05:28 PM   #9
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Originally Posted by wadey View Post

Thanks for the link and size info. Did you order your cables with 3" or 4" throw?
That all depends on the throw of your shift rail on your Tcase. A 3" works fine on transfer cases that have twin rails (like an D20, D300, Atlas, etc). I have no idea what a 231 looks like or how it shifts, so you'll have to measure for yourself.
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Old April 18th, 2012, 12:53 PM   #10
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Here is info from a post I stumbled across a while ago, I haven't bought anything, I just made my own linkage instead. These are part #'s from McMaster Carr I believe.

1338K21 Low Friction Threaded-Mount Push/Pull Cable 1/4"-28 Threaded Ends, 4' Overall Length (x2)

6071K12 Forged Steel Clevis Rod End 1/4"-28 Female Thread Size, 2" Length (x2)

90264A440 Grade 2 Zinc-Plated Steel Coupling Nut 1/4"-28 Screw Size, 7/8" Length, 3/8" Width (x2)

These are parts that someone used to build a cable shifter for a 205 I think.
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