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Dual Fan from 87 up fit in an 86?

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Old Apr 11, 2010 | 06:58 PM
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Dual Fan from 87 up fit in an 86?

I'm wondering if the upper and lower mounting shrouds from the dual fan setup will fit into my 86 (which has the single fan).

Thanks to anyone who knows the answer.
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Old Apr 11, 2010 | 09:14 PM
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Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: Dual Fan from 87 up fit in an 86?

bump
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Old Apr 12, 2010 | 06:49 AM
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Dual Fan from 87 up fit in an 86?

Originally Posted by New2Chevy
I'm wondering if the upper and lower mounting shrouds from the dual fan setup will fit into my 86 (which has the single fan).
Retrofitted into my 85 IROC without issue.

JamesC
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Old Apr 12, 2010 | 09:23 PM
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: Dual Fan from 87 up fit in an 86?

Thank you JamesC, so those hard lines down there underneath the front clip weren't in your way at all? Was it a simple bolt in and voila, or did you have to drill or move anything out of your way?
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Old Apr 12, 2010 | 10:00 PM
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From: Norfolk, VA. USA
Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
Transmission: T56, T5
Re: Dual Fan from 87 up fit in an 86?

I bought the shroud and lower bracket from the dealer for my dual fan setup for my 86. Bolted on just fine.
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Old Apr 13, 2010 | 06:17 AM
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Dual Fan from 87 up fit in an 86?

Originally Posted by New2Chevy
Thank you JamesC, so those hard lines down there underneath the front clip weren't in your way at all? Was it a simple bolt in and voila, or did you have to drill or move anything out of your way?
Bolt in. IIRC, some members experienced problems with after market Wonderbars (steering box braces), but my Global West version didn't present a problem.

JamesC

Last edited by JamesC; Apr 13, 2010 at 07:37 AM.
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Old Apr 13, 2010 | 02:09 PM
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: Dual Fan from 87 up fit in an 86?

I'll have to check again, but I swore I saw some metal hard lines, on my car, running across that area that the lower dual fan mount bolts into.

It was dark, and I couldn't tell where those lines go. I wonder if those are my a/c lines. I removed my entire a/c system, and maybe I still have to remove those lines.

I'll let you guys know what they are here in a bit.
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Old Apr 13, 2010 | 02:36 PM
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Dual Fan from 87 up fit in an 86?

Originally Posted by New2Chevy
I'll have to check again, but I swore I saw some metal hard lines....
Power steering lines. Pic:

https://www.thirdgen.org/forums/atta...what-36mm2.jpg

JamesC

Last edited by JamesC; Apr 13, 2010 at 02:40 PM.
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Old Apr 14, 2010 | 03:18 PM
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: Dual Fan from 87 up fit in an 86?

Ah, thank you for that pic. I thought I'd have to totally remove that line, to get the lower shroud on. It's always weird, until you actually get the parts and start tearing into it.
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Old Apr 14, 2010 | 06:59 PM
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From: Montreal, Canada
Car: 1986 Chevrolet Camaro IROC-Z28
Engine: TPI 310ci (LB9)
Transmission: Custom Rebuilt 700R4 - 2600 Stall
Axle/Gears: 10 bolt, 3.73 Eaton Limited-Slip
Re: Dual Fan from 87 up fit in an 86?

Got mine from an 89 trans am, worked great NEVER overheated once with these, i used to overheat all the time before installing these 3 years ago.. Funny thing is, i just took a drive back from work today and my fans stopped working!! I swear this is just a funny coincidence, but im sure there's something else wrong, the temp got up to 240 and i just made it home. The coolant bottle was almost about the burst lol... Gotta check that out before driving it again.. But as for dual fans, you won't regret it and it fits perfect dude..

later
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Old Apr 15, 2010 | 12:24 AM
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Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: Dual Fan from 87 up fit in an 86?

Thanks for the information. I look forward to having a cooler engine.
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Old Apr 15, 2010 | 10:14 AM
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From: Montreal, Canada
Car: 1986 Chevrolet Camaro IROC-Z28
Engine: TPI 310ci (LB9)
Transmission: Custom Rebuilt 700R4 - 2600 Stall
Axle/Gears: 10 bolt, 3.73 Eaton Limited-Slip
Re: Dual Fan from 87 up fit in an 86?

Originally Posted by New2Chevy
Thanks for the information. I look forward to having a cooler engine.
I have a 180 thermostat and it keep it right around there constantly even if i drive for 6-8 hours during the day, and i have a highly modified engine.
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Old Apr 15, 2010 | 09:47 PM
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From: Wyoming
Car: 1995 Formula
Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: Dual Fan from 87 up fit in an 86?

Here is what I am going to do to fix my problem. I am going to use the existing wiring from the torq flo relay kit and just plug that into a painless sensor switch that will be screwed into a coupling (sensor T) that is inline on my top radiator hose. This way, the coolant will actually touch the switch, and this will be hooked into a dual fan unit from a later model Camaro. The torq flo has provisions for dual fans.

The sensor will turn the fans on at 185 and off at 170. This should work well.
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Old Apr 24, 2010 | 11:25 AM
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From: Coupeville, Washington
Car: 1986 IROC T-TOP
Engine: 350
Transmission: 700-R4
Re: Dual Fan from 87 up fit in an 86?

What are you using for the sensor T?
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Old Apr 24, 2010 | 12:38 PM
  #15  
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Engine: LT1 350
Transmission: Built 4L60e
Axle/Gears: 10 bolt, Eaton posi, 3.73's
Re: Dual Fan from 87 up fit in an 86?

Chevysquid, I'm using one of these: http://www.hrpworld.com/index.cfm?tp...action=product
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