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3/9/09 6:40am - Original Message: 'electric fan'
mikeee
Former Member
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Oviedo, FL - USA

Vette(s):
1977 t-top

Joined: 9/8/2006
Posts: 267
Will my factory thermostat and new electric fan be competing against each other or can I run both.Seems to me that I should leave out the factory thermostat.
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3/9/09 8:03am - Reply: 'electric fan'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19449
You never want to leave out the thermostat! If you do, the coolant will run thru the radiator and the engine so quickly, it won't have time to transfer any heat.
Ideally, the fan should come on "as needed", regardless of thermostat specs. So...even with a 160deg thermo, the fan shouldn't be on until around 190-200deg. The fan temp sensor will control that.
Running the engine too cold creates more wear/tear, as well as messes with the emissions, and engine/fuel efficiency.


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3/9/09 12:09pm - Reply: 'electric fan'
VetteSpecialties
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Mounds View, MN - USA

Vette(s):
70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe

Joined: 5/24/2007
Posts: 1031
Amen, Joel!

Always use a thermostat, and set your fan switch at least ten degrees higher than the engine thermostat.

Larry



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