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Old July 12th, 2023, 07:46 PM
Prowbar Prowbar is offline
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Join Date: Dec 2020
Location: Friesland, the Netherlands
Truck: 1965 GMC 1500, 478 V6, SM420
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Default Re: Dangit. Appears to be stuck...

Good job! As Jim said, priming the engine is always a good idea before starting. The V6s are very easy to prime. Just remove the distributor and oil pump drive, and insert a piece of 8mm or 5/16 hexagon bar stock that is long enough to stick out of the engine. You could also use the stock oil pump shaft, but make sure you cannot drop a socket in the hole! Then use an electric drill to prime the engine. You should feel more resistance when the oil starts to get pumped around. Continue until you see some oil flowing from the rocker arms. This does not always happen, as the camshaft lines up the oiling slot to the cylinder head. It is always a good idea to prime, turn the engine 20 degrees or so, then prime 10 seconds or so. Do this until you reached 2 full revolutions.
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