Plastic Gear Life

patrick.anderson1 at patrick.anderson1 at
Fri Mar 31 14:54:57 EST 2006

I recently replaced a distributor because one of the seals was bad. We'd started out to just replace the plastic gear w/ the metal. My plastic gear basically crumbled to pieces as well. However, we also found that this 179K distributor had a bad seal so we had to replace the whole thing. Good thing the new distributors come w/ a metal gear now. 

Anyway, if anyone needs a metal gear I now have one for sale since I won't need it any time soon. Email off list if you want it.


-------------- Original message -------------- 
From: "George Sidman" <sidman at> 

> I replaced the plastic gear on my '91 200 at 230,000 miles. When I went to 
> pull the old plastic gear off the shaft, it literally disintegrated in my 
> fingers. All the teeth simply turned into small bits and powder. I can't 
> imagine that I could have gone another ten miles on it. With the new metal 
> gear, performance was much tighter. It was clear that the worn teeth 
> introduced a timing offset and rattle that effected performance. 
> George Sidman 
> Chairman & Chief Technology Architect 
> WebLOQ, Inc. 
> 831 620-1320 
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