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Old 01-27-2006, 04:45 PM   #1
67 cst swb
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Join Date: Nov 2001
Location: Rapid City, SD
Posts: 2,281
Transfer Case Question...?

What transfer case do I need? I have a 68 3/4 ton 4x4. It has the 4 speed trans with granny 1st gear. I guess it currently has a Rockwell transfer case in it(???) I am thinking of converting to a Auto Trans (TH350/TH400). I'm supposing I need the NP205C transfer case. Do I need the 27 spline input or 10? fixed or slip rear yoke? I see they used the NP205C from 69-86 what years are all the same as I need?
Also, What is the Rockwell issue? Are there no adapters to use my current transfer case behind a TH350/TH400? Or is it not worth using?
Please enlighten me on some 4X4 info...

P.S. oh, it's the truck in my avatar...
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My Trucks:
1967 Chevrolet Short Wide Box 327 TH350 9" w/3.90 gears paint will be White - Current Project
1967 Chevrolet Custom LWB 283 TH400 3.73 Posi, no-AC, no-PS, no-PB, bench-seat, small-window - mostly orig driver
1967 Chevrolet CST LWB originally a 327 TH400 3.73 Posi AC PS PB, had Buddy Buckets, Small Window - parts truck
1967 Chevrolet CST LWB, 283 MT 3.73 had Buddy Buckets, Panoramic Window - parts truck
2001 Chevrolet 3500 2WD Crew Cab Dually 8.1L Allison White
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