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04-12-2017, 04:53 PM
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#1 |
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Registered User
 
Join Date: Oct 2011
Location: jackson michigan
Posts: 755
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Oil pressure line
Is the OEM oil line from the block to the oil pressure gage in the dash steel? 1972 402.
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04-12-2017, 05:12 PM
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#2 |
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Registered User
Join Date: Jul 2016
Location: Olathe, KS
Posts: 267
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Re: Oil pressure line
Usually 1/8" OD soft copper.
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1970 GMC K2500 Dis-use is harder on a car than mis-use. |
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04-12-2017, 05:13 PM
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#3 |
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Registered User
Join Date: Aug 2009
Location: St. Paul MN.
Posts: 1,996
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Re: Oil pressure line
Mine was 1/8 inch steel on my 350. Replaced with copper.
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Fuzzy |
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04-12-2017, 05:26 PM
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#4 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: Oil pressure line
My OEM was steel that had a rubber sleeve over it. It rusted out and ruptured, so I replaced it with copper line.
Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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04-12-2017, 05:26 PM
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#5 |
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Registered User
Join Date: Dec 2009
Location: El Dorado Ca
Posts: 3,374
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Re: Oil pressure line
steel from the factory....
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04-12-2017, 06:15 PM
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#6 |
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Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: Oil pressure line
For what it's worth, I think copper is probably safe, but it does work harden. If you have it in a an area where it'll get repeatedly bent or flexed, it'll fail eventually. Imagine if you had a oil pressure gauge on your hood, for example, and every time you opened the hood it'd flex it.
Mild steel is much more resistant to work hardening than copper, which is maybe why the factory went that way.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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