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Discussion Starter · #1 ·
I had about 60 1/8th mile passes on a new Comp belt drive and the belt broke this past weekend. Several weeks ago, a friend had a Comp belt turn loose on him causing significant damage. I haven't gotten into mine yet to see what carnage I have, the belt broke as the car was idling onto the return road so hopefully not too bad.

Both engines are BBC, standard cam location. My question is, is this a problem with the Comp belt drives or were we just the unlucky ones. If it's a recurring problem, I'd rather make the switch to a Jesel drive while I have the engine out for freshening.

Thanks,
Martin
 

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Discussion Starter · #5 ·
Thanks..

I have 150 passes on mine and I checked the bearings over the winter, with over 100 passes at the time, and they were fine. No signs of any heat issues at all, no discoloration or grease weeping from the seals. I haven't heard of any issues with them from the builder I know who uses alot of them and I was just at his shop this morning. Did you have the belt tension set properly? I had to reduce the size of my roller when I built mine and others have had to be cut too to get the tension right. RM
Thanks for the info, but I really couldn't answer your question regarding belt tension. My builder is as anal as they come, so I'm pretty sure that the belt tension was correct but who knows??? I'll be sure to mention it when I take it to him for freshening/repairs as well as replacing the idler as a maintenance item. Maybe it was just a fluke, but with 2 issues with the same manufacturer I had to ask. Certainly no flame intended towards Comp.

Thanks again,
Martin
 
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