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PY Online Forums - Bringing the Pontiac Hobby Together > Classic TECH- specs, codes, resto issues FORUMS > 70-72 GTO Tempest & LeMans TECH > Crappy Idle, Rough running, and Timing Question
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Old 05-14-2011, 10:43 AM
Lemans1970 Lemans1970 is offline
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Congrats on finding the problem, sounds like this should take care of things.

Is the timing gear solid nylon, or nylon coated metal and are they (the new replacements) all still like that?

Also, when a chain develops slack (as per this situation), is this because the chain actually mechanically stretches, because the tensioner goes out of adjustment, because the gear wears, or all of the above?

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Old 05-14-2011, 11:10 AM
70temp455 70temp455 is offline
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Default Nylon
NO Nylon to be found anywhere, old or new !
time (pun) will tell if this infact actually is the major issue.
Damned rain !
Andy

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