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Old 01-13-2010, 08:12 PM   #20
mike16
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Join Date: Dec 2009
Location: bisbee, arizona
Posts: 1,530
Re: nylon timing gears in 72 307

Disaster averted. The gear teeth were factory GM. They were steel but they had alot of play like over 3/4 inch of slop either way. Truck has only 88000 miles on it and its soooo clean under the timing chain cover.

when i pulled off the pan.....same deal very clean. installing a new hi volume oil pomp and callin it good.
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