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Old 02-25-2020, 09:13 PM   #1
67GMCcampercruiser
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Join Date: Sep 2017
Location: Riverton, Manitoba
Posts: 67
How many thou to set the valves I6?

Need to set the valves on my 61 GMC 6 cylinder. Can't seem to find the info. The engine number is c-536085. Is this a 250? Truck was built in Canada. Thanks
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