Happened again today at Road America, 3 track days after replacing it. Second session out, aarghhh, one day I'll get to drive this car. No wiring damage today fortunately. I think I've figured this out now so hopefully this is the last time.
The problem is that cars pre 85.5 use a 5 rib alternator belt, 85.5 and later use a 6 rib belt. My car has a crank with 5 ribs and an alternator with 6. The 5 rib belt skips on the alternator during cornering and blows apart shortly there after.
So, I need a 5 rib alternator pulley and then I reckon I'm going to be fine.
Learned more about serpentine belts today. There are two naming schemes, one that looks metric and another one. The metric one is like 5PK0700 and the other is 280K5. Both are the same thing.
