Flex fan size

stock89 · 10-12-2004, 02:57 AM

All,
I want to order a flex fan, but see two sizes listed in summit (17 and 18 I believe). If I wasn't in Baghdad I'd just measure it and be done, but it's not here. I want to order it so it'll be ready when I go home. What size do I need? It's got the stock shroud on it.
Thanks,
Rob

stock89 · 10-13-2004, 06:51 AM

Anyone know the stock fan size?

1989GT · 10-13-2004, 09:51 AM

Flex fans have been dyno proven to cost you hp. Pick up an electric fan.
-Ryan

Dark_5.0 · 10-13-2004, 11:57 AM

Quote:

Originally posted by 1989GT
Flex fans have been dyno proven to cost you hp. Pick up an electric fan.
-Ryan

Flex fans suck at cooling your engine and they cost you HP. definitely get an electric fan.

stock89 · 10-14-2004, 09:14 AM

Unless the flex fan will rob around 15 HP I really don't give a F&&K at this time. The day I swap in a 351 firebreather I'll worry about the 3-5 HP the fan will cost. Right now with a bone stock engine, I don't think it'll make a damn of a difference.

I guess the bottom line is nobody knows what the stock fan size is, nice.....

GhOsT6_9 · 10-14-2004, 11:04 AM

Pretty sure its 18", but I know the 17" will fit no problem. I've got a 16" e-fan in the stock shroud with lots of room all the way around it.

And yes the stock fan compared to the e-fan does cost a difference of 5-10hp. Going from the stock fan to an e-fan changed my 1/4 times by 2 tenths.

Dark_5.0 · 10-14-2004, 11:14 AM

I wish I could be more help but I havent been stock for a long time.

I used to run a 17 inch flex fan with the stock shroud. It worked pretty good until I installed under drive pulleys.

stock89 · 10-14-2004, 11:52 AM

17in., sounds good, thanks. I have a whole package of things that I want to get all at once when I return to the US. It's just too damn difficult to do anything over in Germany because there's nowhere to get parts. Getting simple things has been a nightmare in the past. I'm just trying to get this one thing ordered so I can take care of it while on R & R so the wife can drive it while I finish up here....

Thanks,
Rob

moc · 10-16-2004, 03:14 PM

Plus the fact there so 1) stupid noisy ,if they sounded cool that be a different story ,but the noise that comes off them is retarded.
If you have a nice exhaust sound you never get to hear it.lol
2)They are so dangerously sharp that you have to be well protected putting them on or off (they suck)
3) god forbid if you get anywere near it while working on the car .
I was always very careful around them ,and never got bit,but they are for the real world (not racing full time ) just not worth
there problems.

PKRWUD · 10-17-2004, 08:54 AM

The stock fan was 18.2", so you need to get an 18" fan. If you get a 17", it won't work very well with the stock shroud.

10-12-2004, 02:57 AM	#1
stock89 Registered Member Join Date: Oct 2001 Location: Mannheim, Germany Posts: 124	Flex fan size All, I want to order a flex fan, but see two sizes listed in summit (17 and 18 I believe). If I wasn't in Baghdad I'd just measure it and be done, but it's not here. I want to order it so it'll be ready when I go home. What size do I need? It's got the stock shroud on it. Thanks, Rob

10-13-2004, 06:51 AM	#2
stock89 Registered Member Join Date: Oct 2001 Location: Mannheim, Germany Posts: 124	Anyone know the stock fan size? __________________ 89 LX 5.0 Notchback, FINALLY NO LONGER STOCK!

10-13-2004, 09:51 AM	#3
1989GT Registered Member Join Date: Apr 1999 Location: Cincinnati,OH Posts: 1,511	Flex fans have been dyno proven to cost you hp. Pick up an electric fan. -Ryan __________________ 89GT,Pro-Bullet 306, H/C/I and a bunch of other stuff. Sold 00GT, Vortech S-Trim, Steeda Boost Pipe, C&L intake, Mac off-road H-pipe, Flowmasters, B&M Ripper shifter, Eibach Sportline springs, Koni Struts/shocks, MM full length subframe connectors, Cobra brakes, 3.73's. My Car Domain Page

10-14-2004, 09:14 AM	#5
stock89 Registered Member Join Date: Oct 2001 Location: Mannheim, Germany Posts: 124	Unless the flex fan will rob around 15 HP I really don't give a F&&K at this time. The day I swap in a 351 firebreather I'll worry about the 3-5 HP the fan will cost. Right now with a bone stock engine, I don't think it'll make a damn of a difference. I guess the bottom line is nobody knows what the stock fan size is, nice..... __________________ 89 LX 5.0 Notchback, FINALLY NO LONGER STOCK!

10-14-2004, 11:04 AM	#6
GhOsT6_9 Registered Member Join Date: May 2000 Location: Ontario,Canada Posts: 233	Pretty sure its 18", but I know the 17" will fit no problem. I've got a 16" e-fan in the stock shroud with lots of room all the way around it. And yes the stock fan compared to the e-fan does cost a difference of 5-10hp. Going from the stock fan to an e-fan changed my 1/4 times by 2 tenths. __________________ 1989 Mustang LX Notch 5.0L, T-5, 1969 351W heads, cut & welded stock plenum, F-303 cam, Mac 1 5/8 full length headers, Cat'd H-pipe, 3.73 gears, Underdrives, SSM lift bars, E-Fan, 3G Alt, Custom Chip, Autometer gauges, Weld Draglite wheels , M/T ET Street Radials Best 1/4: 13.33@101.53MPH

10-14-2004, 11:14 AM	#7
Dark_5.0 Registered Member Join Date: Apr 2001 Location: Staging lane Posts: 4,337	I wish I could be more help but I havent been stock for a long time. I used to run a 17 inch flex fan with the stock shroud. It worked pretty good until I installed under drive pulleys. __________________ 92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer

10-14-2004, 11:52 AM	#8
stock89 Registered Member Join Date: Oct 2001 Location: Mannheim, Germany Posts: 124	17in., sounds good, thanks. I have a whole package of things that I want to get all at once when I return to the US. It's just too damn difficult to do anything over in Germany because there's nowhere to get parts. Getting simple things has been a nightmare in the past. I'm just trying to get this one thing ordered so I can take care of it while on R & R so the wife can drive it while I finish up here.... Thanks, Rob __________________ 89 LX 5.0 Notchback, FINALLY NO LONGER STOCK!

10-16-2004, 03:14 PM	#9
moc Registered Member Join Date: Mar 1999 Location: Ocean City , Maryland Posts: 344	Plus the fact there so 1) stupid noisy ,if they sounded cool that be a different story ,but the noise that comes off them is retarded. If you have a nice exhaust sound you never get to hear it.lol 2)They are so dangerously sharp that you have to be well protected putting them on or off (they suck) 3) god forbid if you get anywere near it while working on the car . I was always very careful around them ,and never got bit,but they are for the real world (not racing full time ) just not worth there problems. __________________ 1991 5.0 NotchBack,Black as of 05/04/09 34,300mi. 2001 LIGHTNING Black 29,872 mi. 05/04/09 (Hangar Queen) SMOKEM UP

10-17-2004, 08:54 AM	#10
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	The stock fan was 18.2", so you need to get an 18" fan. If you get a 17", it won't work very well with the stock shroud. __________________ Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local RED & WHITE!

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