Related, and already eluded to...
Years ago if they used a mechanical fan, many Winston Cup teams used a inexpensive stock four-blade Ford fan. This four-inch Ford fan, originally built for truck years ago, was proven to be the most efficient and economical mechanical fan on the market. Many teams used it for short-track. The type of track often determined type of fan, for the super speedway most preferred to use electric fans because of the horsepower and fuel-efficiency advantages. Same today on many street cars.
Side note- I think the article meant to suggest 4-inch blades. But not sure.
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'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/
Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE
Last edited by Steve C.; 07-13-2020 at 08:00 PM.
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