• RME Gear & Apparel

Dana 20 to 300 question?

strangeKowboy

strangeKowboy

Oops i did it again
Location
Springville, Ut
Hey guys before i jump into this project i want to check and be sure i have what i need, what I have is a 77 cj7 with the 304 and stock auto tranny with a dana 20. i have dana 300 i want to put in will i be needing any adapters, driveshaft extensions and such. I know alot of people do this so hopefully someone on here can help me out. Thanks
 
strangeKowboy

strangeKowboy

Oops i did it again
Location
Springville, Ut
From '76-'79 the T-150 3 speed was the stock transmission and the T-18 4 speed with granny low was optional. During this time, the GM TH400 3 speed automatic was also available. After 1980, the heavy duty transmissions were no longer used, the dana 20 was stock until 1980 where it was replaced with the dana 300
 
Jinx

Jinx

when in doubt, upgrade!
Location
So Jordan, Utah
bobdog said:
77 CJ did not come with an Auto and a dana 20. Did someone replace the quadratrac case with the 20?
Click to expand...

ditto,

if this is stock, no one has touched it, it probably has a quadra trac. the dana 20 was stock application with the 3 and 4 speed trannys, I have the t18 with a 20 in my 77cj5.

I am trying to remember how to make sure it is quadra trac...

it was something basic...

is the shifter in the glove compartment?

keeping posting, I love cj stuff.

this might answer some questions.

off of the novak site.

Borg Warner 1305/1339
QuadraTrac Transfer Case
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  • [FONT=Verdana, Arial, Helvetica, sans-serif]This was the optional (in lieu of the Dana Model 20) full-time chain drive transfer case that was found behind the AMC TH400 automatic between 1973 and 1979. It was the first Jeep transfer case to be made of aluminum and to be chain-driven.[/FONT]
    [FONT=Verdana, Arial, Helvetica, sans-serif]This unique transfer case had an integrated limited-slip differential much like an axle, that transfers power to the front and rear axles. A driver operated vacuum switch (usually located in the glove compartment) allows this differential to be locked at will. [/FONT]​
 
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