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Old 01-02-2013, 08:02 PM   #1
Ironhorse
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4x4 Auto Linkage Questions?

Still in the midst of swapping my sm465/np205 to 350TH/np205. One of the things I've run into is my '71 4x4 1/2 ton frame (original stick shift remember) does not seem to have mounting holes for the linkage mounting. Have one hole for the lower hole in the frame mount "C" bracket but nothing for the second bolt to mount thru. Was there a differance in the frames from the factory as in not all frames received multiple holes for differant appications, ie. stick/4x4 verses auto/4x4? After looking at it, seems as if I need to drill a second hole thru the cab support frame side which just does sound right. Have loosely assembled the linkage at the 350TH and after holding the frame side bracket in the "assumed" correct postion the trans seems to shift correctly. Would someone be kind enough to post pics of factory mounted 4x4 auto shift linkage for a '71 4x4? Measurements for hole location would be great help.
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1971 Chevy 1/2T 4x4 LWB 350 V-8
Was sm465-now 350TH/np205
Tilt, Tach, Towhooks
Original Truck AM/FM
Wellington, Ks
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Old 01-03-2013, 10:51 PM   #2
Ironhorse
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Re: 4x4 Auto Linkage Questions?

Need some input here guys. Surely someone here has a 71-72 4x4 auto they have or are parting and can do some pics.
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1971 Chevy 1/2T 4x4 LWB 350 V-8
Was sm465-now 350TH/np205
Tilt, Tach, Towhooks
Original Truck AM/FM
Wellington, Ks
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Old 01-03-2013, 11:24 PM   #3
fattyarbuckle
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Re: 4x4 Auto Linkage Questions?

post a picture of what you have.

it should be the same as 2wd....we just did a 3 speed manual to a th350 no problems

does your linkage look like this in the picture here?

http://67-72chevytrucks.com/vboard/s...d.php?t=559016
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Old 01-04-2013, 06:53 AM   #4
mcmlxix
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Re: 4x4 Auto Linkage Questions?

I have a 4x4 TH350 linkage, but its at my friends shop... I was going to take pics for a FS thread but I dont think I took pics of it on the truck... I'll see if I can dig some up.
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Old 01-04-2013, 04:08 PM   #5
Ironhorse
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Re: 4x4 Auto Linkage Questions?

Sorry but can't post pics right now. Truck is couple miles from here in mech. shop and I'm sitting at home with the "crud". Feel like my whole body is one big ache. Hate getting sick.
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1971 Chevy 1/2T 4x4 LWB 350 V-8
Was sm465-now 350TH/np205
Tilt, Tach, Towhooks
Original Truck AM/FM
Wellington, Ks
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