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12-03-2020, 01:53 PM
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#1 |
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Registered User
 Join Date: Sep 2017
Location: Sunny CA
Posts: 59
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what is this?
little hex head bolt sunk into the block above the water pump... i think the new pump came with a new one (looks similar), but not sure...
what is it? 
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12-03-2020, 03:10 PM
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#2 | |
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The Older Generation
 
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,312
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Re: what is this?
Quote:
I think it is an oil pressure port. Not sure why they put one there though. Maybe to test run the engines at the factory. (did they even do that?) LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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12-03-2020, 03:35 PM
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#3 |
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Registered User
Join Date: Mar 2020
Location: Quinlan, TX
Posts: 84
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Re: what is this?
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12-03-2020, 04:18 PM
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#4 |
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Registered User
Join Date: Jan 2019
Location: St Peters, MO
Posts: 433
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Re: what is this?
Forward oil pressure port on 283s and some 327s.
__________________
1967 C20, 350 SBC w/Comp roller cam, 700R4 w/3.42 posi, PS, 4-wheel PDB, Old Air AC & GM Tilt column. |
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