Having problems with your 1989 Chevrolet Corvette ?

My distributor gear on my 89 Chevy 5.7 motor with hydraulic roller cam keeps getting chewed up.I've tried a bronze gear and a steel gear and still the same problem.What's wrong?

Posted / edited by AnonymousUser on : 15-04-2019

Answers :

You can try putting a thrust button on the front of the cam (available at speed shops) That will keep the cam from walking back and forth. Also, check the shims between the gear and housing. if I remember correctly the clearance there is minimum of 15 thousandths. If it's tighter than that it may bind on the cam gear. Also, if the gear has failed multiple times take a good look at the teeth on the cam. If they have become damaged, it will continue to "eat" dist gear unless you remove the cam and either "dress" the gear or change the cam.
Repair Help & Product Troubleshooting for 1989 Chevrolet Corvette

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