Electric fan 77 Corvette
Thread Starter
Melting Slicks
Joined: Nov 2005
Posts: 2,297
Likes: 156
From: Clayton New Jersey
Electric fan 77 Corvette
I'm thinking of going to the electric fan set up from an 81 Corvette. Good idea or bad idea? Anybody use anything else? Need some ideas. Is the electric better then the clutch fan set up?
Thanks, Bill
Thanks, Bill
Le Mans Master
Joined: Jan 2006
Posts: 9,192
Likes: 27
From: Boca Raton Florida
The electric fan on an 81 is an aux fan and the design is over 20 yrs old, as is the fan itself. It will not move enough air to cool your system by itself. If your goung to go thru all that trouble fartin around with the shroud, just dump it and get a dual Spall setup and be done with it. It will clean up the engine bay more than you would believe and work better
Le Mans Master
Joined: Apr 2005
Posts: 6,359
Likes: 428
From: Seattle Area WA
The clutch fan setup works fine as long as the clutch is in operating condition and the seals for the radiator/shroud are in place. BTW, what kid of condition is the radiator in? You'll need to verify those regardless of which setup you run. You may also need to increase your alternator output when going to electric fans.
Team Owner
Joined: Oct 2004
Posts: 23,831
Likes: 10
From: Springfield MO
St. Jude Donor '07
Electric fans are good, but you'll want to use something like the dual Spal setup, the twin fans from a later Vette or F-body, or the huge single Lincoln Mk.VIII fan - and upgrade the alternator to handle the load.
Team Owner
Joined: Jul 1999
Posts: 65,492
Likes: 230
From: Orange Park Florida
MY vote is what I have...Dual Spals from Tom DeWitt, and I fabbed up my own mounts off the rad supports this keeps the rad free floating with nothing hanging off it....effectively made my own shroud by using aluminum house roof flashing bent to shape and fastened around snugly against the support or radiator, it's a good snug slick tight fitting shroud now, and those fans really suck too, NO airflow problems one bit last summer here in FLORIDA with months after month of 100f temps....
