RE: chain slop

["Gary H." <62to65mopar@xxxxxxxxxxx>]

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"There is a very simple check for a loose timing chain due to a broken 
tensioner, worn gears, or a stretched chain. Pull the distributor cap 
and observe the rotor position. Take a breaker bar and a appropriate 
socket and put it on the crankshaft damper pulley. If you have a degree 
wheel put it on the damper pulley else you can just chalk mark the 
timing mark position at the appropriate time.

Now - slowly turn the crankshaft pulley in a clockwise direction. Watch 
the distributor and observe that the rotor is moving. Stop turning. Now 
- mark the damper pulley position with the chalk or observe the degree 
wheel. Very carefully turn the crankshaft in the other direction and 
VERY carefully observe the rotor in the distributor. The instant it 
begins to move STOP turning and mark the crankshaft position again. 
Measure the number of degrees of rotation of the crankshaft. If there is 
a lot of slop in the chain then you will have moved the crankshaft ten 
or fifteen degrees (or more) before taking the slop out of the chain 
after the reversal before the camshaft began to turn. Get the picture?? 
If all is well and there is no slack in the timing chain then you will 
see about three to five degrees of "reverse motion" before the 
distributor begins to turn."

See the full article on http://www.misterfixit.com/chanslop.htm

Let us know what you find as the problem on your engine.

Thanks,
Gary H.


Robert neal zimmerman wrote:
> hmmmm! this could be it. , it seems like it takes a looonnnggg time for
> that rotor to start moving the other way.
>    Neal Zimmerman,Eugene oregon

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