North American Turbocoupe Organization



is this enough flowage?
Harvs Offline
Senior Member
#1
I bought just one 12 inch fan, it flows 1200 cfm ( not sure what stock ones flow) is it enough?

Adam
Sandlewood beige 88 coupe 93k/ super 60 T3 at 24 pounds/ ATR 3" no cat or tail pipe/ 255lph high pressure pump/ Kirban AFPR at 42/ Spec stg3/ GN FMIC/ 1g DSM BOV/ 14* timing/ disconected KS/ Tri-ax short throw/ Autometer boost,vac and air to fuel/ 140 spedo/ Ford motorsports 5300-c springs/ tubular rear upper cntrl arms.
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Pete D Offline
Administrator
#2
Based on recent experiences, probably not. Without a fan shroud, defintely not
Pete Dunham


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Harvs Offline
Senior Member
#3
Quote:Originally posted by Pete D:
Based on recent experiences, probably not. Without a fan shroud, defintely not

Pete, what do you mean, it will over heat? How much do the stock ones flow?
Sandlewood beige 88 coupe 93k/ super 60 T3 at 24 pounds/ ATR 3" no cat or tail pipe/ 255lph high pressure pump/ Kirban AFPR at 42/ Spec stg3/ GN FMIC/ 1g DSM BOV/ 14* timing/ disconected KS/ Tri-ax short throw/ Autometer boost,vac and air to fuel/ 140 spedo/ Ford motorsports 5300-c springs/ tubular rear upper cntrl arms.
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Pete D Offline
Administrator
#4
I don't think we know what the stock fans are rated at. I've never found any info. The stock 87-88 fans are 12" each. One of our members had 2 10" fans and a nice shroud that covered the whole radiator. He found this just wansn't enough flow through the 2 10" holes at cruising speed. I don't think he over heated but the car ran hotter than was desirable. He has since gone to a Griffen radiator, single 16" fan and modified his shroud accordingly.

I just hung a 16" fan on the back of my 3 core radiator with no shroud and it just doesn't cool like it should because tha fan only pulls air through the 16" diameter area. I need to build a shroud so that air gets pulled through the whole radiator. I haven't over heated yet, but it runs hotter than I want and takes longer to cool down when the fan is turned on. And we have had a relatively cool summer where I'm at. There's been a couple 90+ degree days when I didn't take the car out because I wasn't sure it would be cool enough. On the basis of these experiences I'm offering that 1- 12" fan isn't going to do the job for you.
Pete Dunham


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Nsw Offline
Senior Member
#5
i acuallly think it would be enough, both fans died on my first tc, when they did i went to a junk yard and got a motor and fan from a dodge dynasty and rigges it to work, it was about a 12 inch fan. drove the car for 2 years without any problem.
1988 5speed black every option. 3inch single turbo to tail(stinger), manual boost control. k&n cone walbro fuel pump

1986 xr4ti project car..... way to many mods to list.
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Jeff K Offline
Administrator
#6
1200 CFM isnt that large of a flow for a higher HP motor, especially without a shroud, as Pete said. I think you will end up running hot in warmer weather.

------------------
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 21 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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