L78 Nova fan noise.
I have a 70 Nova L78 that is all stock and sounds normal. I have had a number of L78 Novas and a few of of them had quite a loud howl that sounded like a truck. I didn't think there was anything wrong and never really searched to see where it comes from. This car I have now has what looks to me to be a stock shroud and 5 blade fan with no thermal clutch. It runs great and I sort of miss that howl. I have never heard the same sound from any other Camaro or Chevelle with a L78.
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