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| | | Forums66 Topics128,128 Posts1,056,685 Members48,452 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: May 2004 Posts: 920 'Bolter | | 'Bolter Joined: May 2004 Posts: 920 | Ok. I'm aware of the 1/4 npt drain fitting on the drivers side towards the rear and bottom of the block. However, there is another hole, just above and to the left of the oil inlet from the filter. I began to flush my radiator before filling and water came pouring out of the smaller hole. It appears to be 1/8th npt? What's the purpose for this hole? Should I just plug it? [img] http://www.jimcartertruckparts.com/Articles/261-Engine.php[/img]
Last edited by bigmacdaddy; 01/05/2021 12:38 AM.
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