07-14-2018, 08:12 AM

68 Firebird 68 Firebird is offline

Chief Ponti-yacker

Join Date: Apr 2001

Location: Colonia NJ USA

Posts: 961

question on fan blade shape

What is the reason some 7 blade fans have round tips and as opposed to square
tipped? Have no issues but just wondering why the design change.
Running a 9796134 fan now with the Severe Duty Clutch.

Noise?

Gerry

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1968 Firebird 400, 068 cam, TH400 & 13" Continental Converter, Auburn posi with 3:08 factory gears, Cliff's Q-jet resting on a 68 factory iron intake, DUI HEI and Ram Air pans and RARE Long Branch Manifolds

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