Dana 21?
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Posting Guru
Joined: May 2004
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From: Spokane WA
Dana 21?
hey, im kinda new on here, but mostly just never post. My 74 f100 has a dana 21, and i havent been able to find much info on this transfer case. This is the single speed case if youre not familiar with it. the previous owner said that its a bulletproof indestructible t-case, but he also said the the motor had a fresh rebuild on it, so i cant know what to think. thanks
Post Fiend
Joined: Sep 2000
Posts: 8,238
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From: Oregon
No, that is not a bulletproof t-case. They were stuck in light apps. Typically, only the np-205 is considered "bulletproof" (although the Dana 24 is just as stout). But as long as its working well why sweat it?
Butt-Head
Joined: Apr 2004
Posts: 9,470
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From: Reed Point, MT
I had one of those Dana 21s in my 74 half ton. I never had an ounce worth of trouble with it, although finding rebuild kits will prove to be a challenge for you. Also, it's kind of a pain when it comes to swapping due to the weird input shaft (and output on the NP435 it's hooked to). Anyhoo, there's the D21.....
Cody
Cody
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From: Houston, Texas
Camo broke his 40 spline 60...it can be done.
BTW.....
"Angel of Death
Monarch to the kingdom of the dead
Infamous butcher,
Angel of Death
Angel of Death"
\m/
BTW.....
"Angel of Death
Monarch to the kingdom of the dead
Infamous butcher,
Angel of Death
Angel of Death"
\m/
Last edited by JeremyH; Jul 11, 2004 at 10:53 PM.
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From: Chatsworth, CA
wow! what was he doing to break a 40 spline d60? heck yeah! one of the best metal songs ever made. 
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