And on the subject of "race fans". I've posted this tid bit before from Circle Track magazine, related and maybe of interest. However it is very dated material......
When they used a mechanical fan, years ago many Winston Cup teams use an inexpensive stock four-blade Ford fan. This four-inch Ford fan, originally built for trucks more than 30 years ago, has proven to be the most efficient and economical mechanical fan on the market. Most teams use it for short-track. The type of track often determines what type of fan, for the super speedway most prefer to use electric fans because of the horsepower and fuel-efficiency advantages. In this situation they could potentially gain 15 percent in horsepower and possibly one to two miles per gallon in fuel.
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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)
5.14 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE
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