I lube everything that moves with assembly lube, Soak and prefill the lifters. As long as everything is correct it makes no noise on initial startup.
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Did you replace the small oil gallery plugs (Right & Left) at front face just behind top timing sprocket?Sent the bare block to the machinist and reassembled everything myself but yeah this weekend hopefully I get the thing stabbed and started
Chain oilers?Did you replace the small oil gallery plugs (Right & Left) at front face just behind top timing sprocket?
If so, did you replace with same type; OE L31 have a small hole in both R & L plugs. It matters.
I'm rebuilding the L31out of my 96 GMC K2500 and am nearly to the point of putting the thing in. I know that it's best to prime the oil system before starting the truck, so I bought a proper tool that attaches to a drill. My engine has the oil filter housing that runs two lines to an oil cooler in the radiator, and when I spin the oil pump it comes right out of the holes for the lines on the oil filter housing. So my question is do I need to either somehow block the holes, or hook the lines up to both the rad and the filter housing and spin it then? Maybe possibly something entirely different I'm not thinking of but any help is greatly appreciated.
Everyone thinks that. In fact, oil gallery plugs are vented to purge air from the gallery at startup, (to reduce lifter ticking when the engine is first started) not to lube the timing chain. The chain gets plenty of lube from the oil coming out of the front of the front cam bearing, and the front of the front main bearing, plus whatever is drizzling down from the lifter valley.Chain oilers?
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