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Has anyone had luck running a bigger blower with the stock piece? My 2.9 Whipple ripped the threads out of the center piece with the three poles. I replaced it with a good used stock piece but now I’m feeling gun shy to rip on it.

I guess I didn’t know that the stock lower pulley was a weakness on a 2.9 Whipple car at just 600 rwhp, but I nailed it in second then hit third and the car fell on its face and the battery light came on. I assumed a broken belt, but it was still on. The 14 mm hex is just turning inside the...

Hi All, I was here a long time ago, but it didn’t recognize my user name anymore. Glad to be back. I did a build on my 03 over the winter and can’t figure out my issue. Car has a Whipple gen 4 2.9. 3.5 upper, stock lower. I took it to the dyno to have a big name tuner tune it. After the...