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Old 08-25-2015, 01:30 PM   #1
truckin 79
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Steering box 1979

I currently have strong arm steering on my 79 truck and want to switch to power steering. I recently bought from the j-yard a power steering box out of a 1973 truck. I noticed Autozone and even LMC list different part numbers for a 73 and 79 2wd truck when it comes to steering boxes. Can anyone tell me the difference between the 2 boxes. Before I tear into this and find I have the wrong box or something just wont fit.
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Old 08-25-2015, 01:33 PM   #2
Bigdav160
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Re: Steering box 1979

Just guessing, different line connections? GM changed from flares to o-rings during the 1970's
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Old 08-25-2015, 01:46 PM   #3
michael bustamante
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Re: Steering box 1979

also the lines went to metric thread in 78
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Old 08-25-2015, 09:13 PM   #4
dwcsr
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Re: Steering box 1979

Quote:
Originally Posted by truckin 79 View Post
I currently have strong arm steering on my 79 truck and want to switch to power steering. I recently bought from the j-yard a power steering box out of a 1973 truck. I noticed Autozone and even LMC list different part numbers for a 73 and 79 2wd truck when it comes to steering boxes. Can anyone tell me the difference between the 2 boxes. Before I tear into this and find I have the wrong box or something just wont fit.
The steering input shaft is different in 1979 up
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Old 08-26-2015, 10:48 AM   #5
truckin 79
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Re: Steering box 1979

So are you saying I might have to change rag/couple joint or steering shaft ??
I got all the hoses from the 73 so I should be good to go there and I already drilled out the water pump hole to mount the 73 pump. I guess I should just tear into this thing and see what I see
Thanks guys
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