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V8 dual fan or not??

Old 05-30-2013 | 08:42 PM
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Car: 1991 Chevy Camaro RS
Engine: 283
Transmission: 700r4 Auto
V8 dual fan or not??

Did the v8 cars use a dual fan set up or just a single fan like in the v6????
Old 05-30-2013 | 10:40 PM
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From: Munster IN
Car: 92 RS, 05 GTO (sold), 10 TL AWD
Engine: 383 HSR w/DSC1
Transmission: 700r4
Axle/Gears: Strange S60/3.73
Re: V8 dual fan or not??

Originally Posted by camarogirl18
Did the v8 cars use a dual fan set up or just a single fan like in the v6????
depends on year and engine. V8 RS and some of the other earlier V8's were single fan. TPI models came dual fan. I am sure the history board can give you an even better breakdown
Old 05-30-2013 | 10:43 PM
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Car: 1989 IROC & ROLL-Z
Engine: L98 Vortec FIRST TPI
Transmission: T56, Mech Speedo
Axle/Gears: G92 J65 3.27
Re: V8 dual fan or not??

Depends on the year...
1987-1992 cars = dual fans
Not sure if it was V8 specific or if all the 87-92 cars came equipped as such.
Anyone?
Old 05-30-2013 | 11:05 PM
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From: belle fourche,s.d.
Car: '82 z28
Engine: L83 5.7
Transmission: 700r4-1985
Axle/Gears: 3.42 posi
Re: V8 dual fan or not??

i think it was '87-92 TPI with A/C got the dual fans-non-A/C,even 350,had single fan-same fan as v6
Old 05-31-2013 | 05:35 AM
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From: Maryland...DO I HAVE TO ADMIT TO THAT?!
Car: 1991 Chevy Camaro RS
Engine: 283
Transmission: 700r4 Auto
Re: V8 dual fan or not??

the car is obviously a 91 RS and it went from a 3.1 tpi to a 283...currently it still has the v6 single fan in it....were wondering if that single fan is enough to keep the 283 cool so no damage is done to the block...it has a v8 radiator in it.............should i put the dual fan in it or leave it the single fan??

not sure whats best and i always turn to you guys on here with all the knowledge! tgo is a lifesaver!!
Old 05-31-2013 | 06:44 AM
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Car: 1984 Trans Am
Engine: LS1383 in work
Transmission: Magnum F
Axle/Gears: Zexel Torsen 3.73, 28-spline mosers
Re: V8 dual fan or not??

Originally Posted by camarogirl18
the car is obviously a 91 RS and it went from a 3.1 tpi to a 283...currently it still has the v6 single fan in it....were wondering if that single fan is enough to keep the 283 cool so no damage is done to the block...it has a v8 radiator in it.............should i put the dual fan in it or leave it the single fan??

not sure whats best and i always turn to you guys on here with all the knowledge! tgo is a lifesaver!!
It'll be fine. I run a single electric fan on my 84 with a 355. No issues.
Old 05-31-2013 | 04:57 PM
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From: Salt Lake
Car: 1989 IROC & ROLL-Z
Engine: L98 Vortec FIRST TPI
Transmission: T56, Mech Speedo
Axle/Gears: G92 J65 3.27
Re: V8 dual fan or not??

The key seems to lie in the air dam.
I just put a 4th gen air dam on my car and the fan only comes on if I sit in traffic for 10+ minutes. Moving almost at all will cool the engine. I should mention that I do have a champion aluminum radiator.
Old 06-01-2013 | 09:57 PM
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From: Maryland...DO I HAVE TO ADMIT TO THAT?!
Car: 1991 Chevy Camaro RS
Engine: 283
Transmission: 700r4 Auto
Re: V8 dual fan or not??

thanks for all the help.....the bearings seem to be out if the stock v6 electric fan & i dont feel its cooling the car enough.....would anyone recommend or would it be a good idea to put a dual fan on it now since it needs replaced??? stick to another single fan?? not sure what the best route is....the heat the past couple weeks havent helped matters either.
Old 06-02-2013 | 10:14 AM
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Re: V8 dual fan or not??

If the motor is bad, just replace it, in like kind.

The car worked PERFECT when it was new, with everything just like it was built; will work PERFECT once again, when anything worn out or broken is fixed.
Old 06-03-2013 | 01:15 PM
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From: VA
Car: '91 Z28
Engine: L98 5.7L TPI
Transmission: 700R4
Axle/Gears: 323's
Re: V8 dual fan or not??

dual fans also don't just run in tandem - they are independent and the secondary fan is controlled by certain conditions and the ecm is the controller in that situation. don't know a lot about the ecm's and chips, but i would think yours would have to be set up for such if you want it to be controlled in that manner, as it should be. but that is not to say you can't just hardwire one in and control it with a switch... what's really neat is having lights on the dash that will indicate when your fans are actually running so you can monitor them...
Old 06-04-2013 | 03:45 PM
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From: Maryland...DO I HAVE TO ADMIT TO THAT?!
Car: 1991 Chevy Camaro RS
Engine: 283
Transmission: 700r4 Auto
Re: V8 dual fan or not??

Originally Posted by sofakingdom
If the motor is bad, just replace it, in like kind.

The car worked PERFECT when it was new, with everything just like it was built; will work PERFECT once again, when anything worn out or broken is fixed.
are you saying the stock motor on the fan can be replaced?? not sure im understanding your suggestion...
Old 06-04-2013 | 09:08 PM
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From: Howard Lake, MN
Car: 86 Camaro
Engine: 355- hopefully a 5.3 this summer
Transmission: 700r4
Axle/Gears: 3.42
Re: V8 dual fan or not??

Originally Posted by camarogirl18
are you saying the stock motor on the fan can be replaced?? not sure im understanding your suggestion...
yes.. go to your favorite local auto parts store and get a new motor...
Old 06-05-2013 | 06:15 PM
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From: Maryland...DO I HAVE TO ADMIT TO THAT?!
Car: 1991 Chevy Camaro RS
Engine: 283
Transmission: 700r4 Auto
Re: V8 dual fan or not??

wow thats interesting....i didnt know that! i figured i was looking to buy the whole new fan...................thanks for the tip!
Old 06-05-2013 | 06:29 PM
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From: Salt Lake
Car: 1989 IROC & ROLL-Z
Engine: L98 Vortec FIRST TPI
Transmission: T56, Mech Speedo
Axle/Gears: G92 J65 3.27
Re: V8 dual fan or not??

FOUR SEASONS Part # 35656

ACDELCO Part # 158498

VDO Part # PM517
Old 06-06-2013 | 08:23 PM
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From: Maryland...DO I HAVE TO ADMIT TO THAT?!
Car: 1991 Chevy Camaro RS
Engine: 283
Transmission: 700r4 Auto
Re: V8 dual fan or not??

thank you for the part numbers...ill pick up one tomarrow while im out.

Old 06-06-2013 | 11:04 PM
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From: belle fourche,s.d.
Car: '82 z28
Engine: L83 5.7
Transmission: 700r4-1985
Axle/Gears: 3.42 posi
Re: V8 dual fan or not??

IIRC,the shaft nut on those fan motors is reverse thread.
Old 06-08-2013 | 03:52 PM
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Car: 91' Firebird SOLD
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Axle/Gears: 3:42
Re: V8 dual fan or not??

Originally Posted by camarogirl18
thank you for the part numbers...ill pick up one tomarrow while im out.

Yep, the fan motors can be bought pretty cheap.
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