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Old 11-03-2017, 11:05 AM   #1
DBear
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Power steering gear box

Does anyone know if a gear box off an '77 C20 work on a '78 K30? Just trying to use what I got....thanks in advance.
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Old 11-04-2017, 10:01 AM   #2
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Re: Power steering gear box

No. 2wd and 4wd are different.
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Old 11-05-2017, 04:08 PM   #3
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Re: Power steering gear box

okay thanks...
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Old 11-05-2017, 05:09 PM   #4
RyanNewberry
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Re: Power steering gear box

Sorry to jump in and not sure if it's the right place, but I'm working on a 74 4wd chassis for a frame swap. I have a 4wd steering box off a 85, just curious if they were the same from year to year. Thanks.
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Old 11-05-2017, 05:15 PM   #5
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Re: Power steering gear box

good question as well
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Old 11-05-2017, 06:40 PM   #6
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Re: Power steering gear box

They are the same except the 74 uses compression fittings and the 85 uses O ring fittings.
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Old 11-05-2017, 06:47 PM   #7
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Re: Power steering gear box

Thanks much!
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Old 11-07-2017, 11:39 PM   #8
andyh1956
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Re: Power steering gear box

They make an adapter to use one type of hose on another type of gearbox. Don't remember if it's new hose old box or other way round.
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