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Power Strokes
7.3 Tech
Low boost, high egt's, and other stuff thats broke
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[QUOTE="golfer, post: 454390, member: 266"] I would put air pressure INTO the glowplug hole(s)... bar the engine over to see if you see pressure building in the coolant jug. could be a cracked block... if you can position a piston (through engine rotating) to obscure the potential crack in a cyl wall...and stop the cooling sys pressurization...then it's the block. if the pressure is always on the cooling system (fed through GP holes), regardless of piston position, then it could be inj cup, or head gasket. I've just never seen a cup fail in that manner. you could also do the reverse of this procedure...pressurize cooling system with air...and bar engine over listening for air escaping up through the GP hole (and/or inj cup bores)..but again..if piston position changes/eliminates the 'leak'...then it's the block. did you say you had the engine out recently? For what reason, and which part(s) were replaced? [/QUOTE]
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Low boost, high egt's, and other stuff thats broke
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