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Registered
Join Date: Oct 2005
Location: Northern California
Posts: 3,768
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The distributor probably did not lock the crank. Not mecahnical damage. I think the damage was perhaps caused by mis-timed firing of the plugs. The upper and lower plug sets may have fired at inappropriate times.
If a stress crack is created from this, I'd guess the crank can then later fail.
Thanks Toby. So far, it looks like the case is okay. But there was other damage.
I think JWE may repair/refurb these things, but I am not sure. I do know that they replace them from time to time.
There may be an increasing failure rate, but only PAG would know based on ww sales of replacements.
Part of the point here is that a failed belt is not the only failure mechanism. In my experience, when I checked the belt and the rotor timing, it was okay. But that does not mean it was okay all the time-- just when I checked.
I would not say these things are ticking time bombs, but.... folks should likely consider being proactive beyond just belt replacement.
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Mike
PCA Golden Gate Region
Porsche Racing Club #4
BMWCCA
NASA
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