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.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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