FYI - Timing Sprocket

[Frank Darcy]

For anyone who is new to hot airs, when you start your performance upgrades, consider starting with looking at your timing sprocket. Attached should be a picture of what was left to mine after 111k. I got very lucky, I'm suprised the car ran. I was down to four teeth left on the sprocket

 

[bison]

I've worked on a lot of engines where the chain/sprocket was replaced and the pan not cleaned out. I'm moving this to the engine tech section.

 

[turbofabricator]

That is REAL common on all Turbo Buick's. The first time I pulled mine apart (back when Moses was a child), it had 32K miles on it and had 5 broken teeth and cracks everywhere. I HAVE pulled high milage ones apart and they were in good shape, though. Go figure.

 

[wknox]

sprocket

I remember the early 70's 307's had those also, remember emptying the pan and cleaning the pickup of those pieces of plastic....

 

[Turbo-Archie]

Just replaced one with 4 missing teeth and cracks on an '87..



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