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10-23-2021, 01:41 PM
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#1 |
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Senior Member
 Join Date: Jun 2000
Location: georgia
Posts: 292
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power steering box return line
Can anyone confirm or identify this power steering gear box return line as being from a 1973 and up truck? I know at some point GM stopped using the flared end. Does anyone know what year the flared end stopped being used?
Thanks, Mark |
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10-23-2021, 05:25 PM
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#2 |
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Registered User
Join Date: Mar 2020
Location: The Woodlands,Tx
Posts: 588
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Re: power steering box return line
around 1979. I had a thread on this about a month ago under rebuilt steering box. I know the 1983 had metric threads and 1978 had American. One had flare end and had o ring ends.
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10-23-2021, 08:38 PM
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#3 |
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Registered User
Join Date: Apr 2007
Location: Birmingham AL
Posts: 266
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Re: power steering box return line
That pipe is different from my 75 C-10.
__________________
Stock 75 C10 step side. 350 2 BBL, 350 trans. 150K miles. |
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10-24-2021, 10:18 AM
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#4 |
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Senior Member
Join Date: Jun 2000
Location: georgia
Posts: 292
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Re: power steering box return line
Thanks for the picture!
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10-24-2021, 03:47 PM
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#5 |
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Registered User
Join Date: Oct 2015
Location: Ottawa, Ontario, Canada
Posts: 766
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Re: power steering box return line
79 last yr. In 80 the box is metric with the O-ring and flair. For the most part but may be some carry overs.
__________________
 1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bedWas a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change. |
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10-26-2021, 08:19 PM
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#6 |
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Senior Member
Join Date: Jun 2000
Location: georgia
Posts: 292
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Re: power steering box return line
RON350, I believe these lines look like your picture. What do you think?
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10-27-2021, 12:58 PM
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#7 |
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Registered User
Join Date: Apr 2007
Location: Birmingham AL
Posts: 266
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Re: power steering box return line
Yes those look like the one on my 75 should take a 5/8 inch wrench.
__________________
Stock 75 C10 step side. 350 2 BBL, 350 trans. 150K miles. |
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10-27-2021, 07:21 PM
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#8 |
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Senior Member
Join Date: Jun 2000
Location: georgia
Posts: 292
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Re: power steering box return line
I cleaned up the flats on the nuts from wrench slippage and checked them with a wrench to make sure they were OK, one was a 5/8 and one was an 11/16. Thanks for your help with this!
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