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#2
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I think it's the same fan as 70 L78. I've been told it has to do with noise and drone (frequency).
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 |
#3
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Thanks for the reply
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#4
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5 Blade fan...
The 5 blade staggered fan bladed is not unique to the 69-70 Nova. There were a number of other fan blades used on other Chevy models that had a similar design. There were even some with a clutch setup that had the staggered pattern. As for the purpose, I can only assume there was some 'engineering reason' for this...I can tell you that most BB Nova owners back in the day ditched the steel fan for a flex version. The factory 5 blade fan made a terrible noise when you got to about 3,000 rpm...sounded like a blower.
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02 Berger 380hp #95 Lots of L78 Novas Join National Nostalgic Nova! 70 Orange Cooler 69 Camaro |
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