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Old 03-13-2005, 12:00 PM   #1
widow_maker
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Join Date: Mar 2005
Location: Michigan
Posts: 75
auto 4 speed in 72 4x4

I am thinking of replacing my th350 trans with either a 700r4 or 200r4 to gain some drivability and gas mileage. I have read in other threads that the 200r4 is almost a direct replacement for the 350 on a 2 wheel drive truck but didn't know if the same was true for a 4x4. I know someone here has already done this change. Any suggestions? 700r4 vs. 200r4, Problems with this change? Can I even run a 200r4 in a 4x4? Not sure if the tailshaft housing from a 350 will fit on the 200. I want to keep my stock NP205 transfer case. I know about the need for a lockup kit for the torque convertor and the specific setting of the tv cable - I have a local trans shop which can set this up. Any insight would be helpful. Thanks. Also, if anyone has photos of this change that would be great or a link to a past thread on this - I'm sure its been discussed before (new here, sorry to the senior members if this is old stuff)
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1972 K-20 l/f 383/350 a/c "custom camper"
1987 V-20 l/f Silverado - project
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