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205 to 700r ?

palmer

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May 18, 2007
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Kent,WA
I would like to put a 205 xfer case on my '87 700r which now has a 208. Do I need to change anything or will it bolt right up?
 
there are 2 different 205 cases. one has a round 6 bolt mounting pattern. this one will bolt to your current adapter. The other has a 8 bolt pattern shaped like a peanut. to use this one you will need a new trans to t-case adapter.

Either t-case you use you will need to figure out your tailshaft. 205's came with different inputs. 10 spline from behind a stick, and a higher spline counts from behind the automatics.

You will need two new driveshafts. a 205 could have a slip yoke rear or use a yoke and a slip in the shaft. On the front output it could be a flange or a yoke.

You will need to figure out your shifters also. The 205 uses a bolt into the adapter housing to hold the shifter.

Keep in mind that your current 208 has a 2.72:1 low ratio. a 205 will 1.98:1. which means you will have less reduction offroad.

What was the hope in switching t-cases? were you looking for more strength? did you blow up the 208 and have a 205 laying around?
 
i have a 205 behind my 700. I just bought the advance adapters parts. you will need their output shaft and a stock th350 to np205 adapter, you will also need a stock th350 to np205 corssmember and mounts.
 
Yeah, I busted the 208 up on a rock & got the 205 kinda by accident. After hearing about the difference in gears I'm gonna just get another 208. Anybody got an extra skid plate layin' around?
 
i have a skid plate for my 208 that is still on the th400 crossmember...ill sell u the skid plate for 400 bucks and u get a th400/208 and crossmember and new TC all for free :D ....

trans 2.jpg
 

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