Anybody have fan rpm numbers? I searched...

Joined
Apr 18, 2005
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126
Location
Bellbrook, OH
Anybody got any data on how fast the fan turns when working properly? Meaning on a warm day w/ engine warmed up, how fast should it turn at 2k rpm, 3k, 3500? wouldn't this be a better way to test the fan, rather than the 'glove/resistance' method, etc..? thoughts? i got an optical tachometer to test mine, but w/ no baseline, data is worthless...
 

Eicca

Professional Noob
Joined
Apr 26, 2009
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2,379
Location
Utah
When engaged, I'm fairly certain it's 1:1 with the engine up until about 3k rpm, when the clutch allows some give so the fan doesn't flex and break things. If it's not engaged, you'll know.
 

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