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Old 05-01-2012, 08:34 AM   #5
joel
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Join Date: May 2010
Location: Indiana
Posts: 488
Default Re: Book or video how to do valve job 40 Ford

The suction cup on a stick is for lapping the valves to the seats after grinding. If you have any erosion,pitting, or deforming of the valve seating surface from long use, your valve seats and valves need to be ground. you might be able to do this in the car, BUT it would be very difficult to keep the grit out of the rest of the engine. I would'nt try it myself.
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