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Topic: on 85 corvette,what is the fan cfm&amp specs???

in Forum: All Vettes Discussion


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on 85 corvette,what is the fan cfm&amp specs??? (1/3)
 9/3/09 10:31pm
chuckyk38
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houston, TX - USA

Vette(s):
1985 corvette 4-barrel carb.


Joined: 9/3/2009
Posts: 3

hey everybody,im trying to find out the specs.on my 85 corvette radiator fan..my fan is electric,and i want to upgrade it for better cooling..i shopped around,and it all boils down too:the more cfm the fan blows out the better the cooling...before i shell out alot of cash on an after market fan,i realy need to know how much cfm my stock fan blows out and how many amps it uses up..does anyone know these specs???i called up every source i could think of and nobody knows this info...when i buy the new after market fan,i want it to blow 1000 more cfm then my stock fan..im running an 85 vette 4-barrel afb carter carb,vacume advanced hei distributor,daily driver/hot rodder,3-motors in 9-years and counting...
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on 85 corvette,what is the fan cfm&amp specs??? (2/3)
 9/4/09 8:22am
Adams' AppleLifetime 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: 20126

I don't know that info, either, and I'm not sure if it's published anywhere. I can look in the Service manul...it may have amp specs, but not sure about CFM.
Welcome to C3VR, btw!!
Be sure to check out our sister site, specifically for C4 Corvettes at C4vetteregistry.com


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on 85 corvette,what is the fan cfm&amp specs??? (3/3)
 9/6/09 10:54pm
chuckyk38
Former Member

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houston, TX - USA

Vette(s):
1985 corvette 4-barrel carb.


Joined: 9/3/2009
Posts: 3

[QUOTE=Adams' Apple]I don't know that info, either, and I'm not sure if it's published anywhere. I can look in the Service manul...it may have amp specs, but not sure about CFM.
Welcome to C3VR, btw!!
Be sure to check out our sister site, specifically for C4 Corvettes at C4vetteregistry.com
[/QUOTE] yeah finding out the fan cfm is a tough question,i dont think its recorded anywhere except at the engineering department at general motors,and to contact them is impossible..maybe one of the after market fan companys is willing to do a test on one...im not too worried about the amp rating,i could alway turn the fan on and use an amp gauge to see how many amps its using..the cfm is what i realy need to find out...vettes are supose to be high performance,so i imagine the fan is supose to be too...thats why its important to know the cfm...example:if i was to buy an aftermarket high performance fan,it might blow out the same cfm as my stock fan...im going to check out that other site...hopefully someone will know...after this fan issue is resolved,my next project is rebuilding my 383 stroker motor to drop back in my vette...i put a 307 chevy motor in my vette 2 weeks ago to hold me off until i rebuild my 383 stroker...i wore out the cam,oil in the plugs and smoking like crazy...i ran that 383 since 1998 in my camaro and my vette...believe it or not that 307 motor i put in my vette burns rubber...its got some pep with the carter 750 carb..
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