Dana 20 help. - JeepForum.com
 
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post #1 of 11 Old 07-30-2013, 01:30 PM Thread Starter
warthog312
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1994 YJ Wrangler 
 
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Dana 20 help.

Greeting Jeep bretheren....

Ok, so I wandered ocer here from my usual YJ hangout because I've got a CJ related question.

I'm deep into a complete frame-off on my 94 YJ, and in the process I've gathered a 302 Ford small block Windsor, mated to a NP435, followed by an EB Dana 20. I'm here to ask 2 questions:

1) How is the Dana 20 mounted from the factory? I know some CJs have them and was curious as to see (pictures would be nice) how the factory hung it between the framerails.

2) I'm looking into a homebrew twin stick setup. I'd like to see what you've all come up with.


I don't know how alike or not the EB vs CJ Dana 20s are, but my instinct says that at least the case should be similar. If it matters, the NP435 is from a ~1976, and the D20 cast says 1968. Center output, T style shift. When I bought it, it came with the shifter but none of the linkage or plates, so I need to fab that up, and figured it would be the perfect opportunity to go full out twin stick.

Thanks in advance for the help everyone!


Click for build thread: HONEYBADGER - 302//435//20//8.8
>>>the single greatest investment you can make for your jeep is to buy a good welder, and learn how to use it<<<
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post #2 of 11 Old 07-30-2013, 05:37 PM
BlueRubiconrich
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A Dana 20 is only 2 to 1 you are better off with a Dana 300 2.60 to 1

Rubicon Rich ,05 TJ Rubicon: PatriotJeepers.com
86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
51 M100 1/4 ton Jeep trailer
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post #3 of 11 Old 07-30-2013, 05:48 PM
chromegrille
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The Bronco 20 will be lower geared, if it's still intact.
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post #4 of 11 Old 07-30-2013, 06:11 PM
BlueRubiconrich
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lower then a Jeep/IH 20 yes but not lower then a Dana 300.

Rubicon Rich ,05 TJ Rubicon: PatriotJeepers.com
86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
51 M100 1/4 ton Jeep trailer
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post #5 of 11 Old 07-30-2013, 06:14 PM
CSP
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The EB is NOTHING like a Jeep/IH Dana 20.

There are all kinds of EB websites and forums out there on the web.
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post #6 of 11 Old 07-30-2013, 06:21 PM
BlueRubiconrich
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So what is a EB Dana 20 then, Just a dana 20 with lower gears?

Rubicon Rich ,05 TJ Rubicon: PatriotJeepers.com
86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
51 M100 1/4 ton Jeep trailer
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post #7 of 11 Old 07-30-2013, 06:24 PM
BlueRubiconrich
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Early bronco LOL Yeah it's like 2.42 to to 1 or something like that.

Rubicon Rich ,05 TJ Rubicon: PatriotJeepers.com
86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
51 M100 1/4 ton Jeep trailer
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post #8 of 11 Old 07-30-2013, 09:00 PM
CSP
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Rear view of CJ Dana 20 (left) vs. Early Bronco D20:


Front side of both. Input on each is closest to the center.
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post #9 of 11 Old 07-31-2013, 05:32 AM
jeepdaddy2000
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Quote:
) How is the Dana 20 mounted from the factory? I know some CJs have them and was curious as to see (pictures would be nice) how the factory hung it between the framerails.
All 20's mount from the adapters/transmissions.
On Early Bronco's, there are two doughnut mounts that attach the factory adapter to the crossmember.

On most Jeeps, the mount is either on the factory adapter (T18) or under the transmission.
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post #10 of 11 Old 07-31-2013, 08:49 AM Thread Starter
warthog312
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Awesome. Thanks. I'm thinking just some DOM crossmembers between the frame rails with poly isolators. Let me 3/8" belly skid word about just protecting it all instead of double duty holding it up like was factory in my YJ. Does that sound feasible to you guys?

Also, the case is cast iron. If I bring out the old stick welder and get the appropriate rods, what do you think about welding additional ears or mounting points onto the case of both the 435 and the 20?

Click for build thread: HONEYBADGER - 302//435//20//8.8
>>>the single greatest investment you can make for your jeep is to buy a good welder, and learn how to use it<<<
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post #11 of 11 Old 07-31-2013, 08:51 AM Thread Starter
warthog312
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Quote:
Originally Posted by jeepdaddy2000

On most Jeeps, the mount is either on the factory adapter (T18) or under the transmission.
You know, I originally set out to get a t-18, but most places or people wanted $500+ which is no bueno. I got my 435 with adapted 20 for $300. I couldn't pass it up, especially being that it came from a EB and already had the correct bell housing and all.

Click for build thread: HONEYBADGER - 302//435//20//8.8
>>>the single greatest investment you can make for your jeep is to buy a good welder, and learn how to use it<<<
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