Quote:
Originally Posted by johnjzjz
for many years GM used a plastic top gear -- for sound i guess and the teeth would come completely off the gear - just before it happened the car when hot would be real had too crank over like the dist was way to far advanced if you know what i mean by that -- today the gears are steel and the chain is a double row type so it is very durable and even when stretched out it still works - but some day it will catch the next tooth behind the chain and it will stop usually at idle or real high RPMs -- jz
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Yeah, the cam gears had nylon teeth that would wear and break off. Not what you want when dealing with your timing.