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Power Strokes
6.7 Tech
Extended cranking, fuel system tests.
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[QUOTE="Tiha, post: 1564068, member: 33189"] I can swap it, I got time keyway at 12 o'clock is keyway at 12 o'clock. If piston one is tdc with keyway at 12 oclock then piston is at tdc everytime keyway is at 12 o'clock Which leads me to the question I came to ask. How are these pumps valved? I need to find a breakdown. If this was a cylinder in a 4 stroke engine then it would have 2 tdcs. One compression and one exhaust. If a cylinder has a bad intake or exhaust valve you get zero compression. What do these pumps use for inlet and exhaust valves? Reed valves? Check balls? Then every tdc would be a compression stroke. [/QUOTE]
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Extended cranking, fuel system tests.
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