2nd Gen Electric Fan Mounting Recommendations

FC Zach · 10-14-2014, 09:32 AM

I'm looking for a mount system for an electrical fan to use on my Koyo rad rather than using these:

My universal fan recently removed:

The mounts for that fan:

Damage from the fan sliding off those mounts on the radiator:

What I'm looking for is to delete the zip-tie mounts, using a fan with permanent mounts that will work with the 2nd gen Koyo, or ideas on fabricating my own for a particular dimension fan that I can make fit my Koyo without use of the universal zip-ties. . . what have y'all used?

I made measurements of the cooling fin surface and all possible mounting points but I am stumped with what fan to buy, curious of anyone's opinions for options/suggestions. .

rx7 vinnie · 10-14-2014, 11:27 AM

This is mine... A custom made shroud with a 3k cfm Flex-a-Lite fan mounted about 3" away from the radiator to draw vacuum.

FerociousP · 10-14-2014, 12:35 PM

very nice vinnie

FC Zach · 10-14-2014, 01:00 PM

Yes sir, that is very nice! Think you could have another one made?

rx7 vinnie · 10-14-2014, 01:09 PM

YUPP.... You have my number.

FC Zach · 10-15-2014, 12:48 AM

Problem solved! contacted the fabricator Vinnie used and will soon make a visit. Thanks Vinnie!

rx7 vinnie · 10-15-2014, 05:52 AM

Np dood.

infernosg · 10-15-2014, 12:39 PM

I made my own out of fiberglass. Here's an unfinished picture:

And one mocked up under the hood:

I'm curious about the aluminum one above. Does it have some contour or is it more of a "box?" I liked the idea of an aluminum shroud but didn't have the provisions to make a nice, contoured shape. The good thing about a flatter aluminum shroud is it's easy to make "flaps" that open when the car is moving to improve flow.

FC Zach · 11-25-2014, 05:50 AM

Got mine made, now Vinnie and I are twinsies

infernosg · 11-25-2014, 07:55 AM

^^^ To restate my previous question is the shroud "flat" or does it have some contour to it? From the picture it looks to be more flat. On the other hand it looks like you could easily add "flaps" that open when the car is moving to increase airflow when the fan isn't needed.

FC Zach · 11-25-2014, 08:38 AM

Yeah Jon, it's flat. I have the largest diameter fan that could fit on there thinking it would remedy that possible issue.

rx7 vinnie · 11-25-2014, 09:56 PM

Looking good broseth...... But mine is slightly different at the outlets so no twinsies for you.

FCFrog · 11-26-2014, 07:28 PM

Sweet

10-14-2014, 09:32 AM	#1
FC Zach RCC Loves Me Not You Join Date: Mar 2008 Location: Eagleville, TN Posts: 2,267 Rep Power: 20	2nd Gen Electric Fan Mounting Recommendations I'm looking for a mount system for an electrical fan to use on my Koyo rad rather than using these: My universal fan recently removed: The mounts for that fan: Damage from the fan sliding off those mounts on the radiator: What I'm looking for is to delete the zip-tie mounts, using a fan with permanent mounts that will work with the 2nd gen Koyo, or ideas on fabricating my own for a particular dimension fan that I can make fit my Koyo without use of the universal zip-ties. . . what have y'all used? I made measurements of the cooling fin surface and all possible mounting points but I am stumped with what fan to buy, curious of anyone's opinions for options/suggestions. . __________________ 1993 Yamaha GTS1000 1992 Celica Turbo AllTrac 1987 RX7 Sport 1979 Yamaha G1, KM24 powered 1975 Dolmar KMS4 Last edited by FC Zach; 07-25-2017 at 11:15 PM.

10-14-2014, 11:27 AM	#2
rx7 vinnie I SEE DEAD PEOPLE Join Date: Mar 2008 Location: nashville, tn (antioch) Posts: 743 Rep Power: 18	This is mine... A custom made shroud with a 3k cfm Flex-a-Lite fan mounted about 3" away from the radiator to draw vacuum. __________________ VIN-AUTO Rotary list of Fails below: 86 mazda rx7 csp 61 N/A= because RACECAR 87 mazda rx7 t2 with 13b-re cosmo GT42= FKN RUNS!!! 03 Dodge Viper SRT-10 Vert 06 dodge ram 2500 Megacab turbo Cummins=puller 16 MB ML350 Last edited by rx7 vinnie; 10-14-2014 at 11:34 AM.

10-14-2014, 12:35 PM	#3
FerociousP I-had-a-bad-experience... Join Date: Feb 2008 Location: M'boro Posts: 1,046 Rep Power: 19	very nice vinnie __________________ '15 Juke Nismo '06 MX-5 GT SOLD '04 S Silver RX-8 GT Track Day Use SOLD '90 Black TII vert w/ Sprint RE stock port/turbo DD dyno (242.6whp@5500rpm @12psi 8psi@redline) and (250ftlbtq@4800rpm @13psi) SOLD '89 GTUs 6p TII SOLD, '87 sport SOLD, '79 SA stock SOLD '91 B2600i 4x4 w/ Rx-8 LSD SOLD

10-14-2014, 01:00 PM	#4
FC Zach RCC Loves Me Not You Join Date: Mar 2008 Location: Eagleville, TN Posts: 2,267 Rep Power: 20	Yes sir, that is very nice! Think you could have another one made? __________________ 1993 Yamaha GTS1000 1992 Celica Turbo AllTrac 1987 RX7 Sport 1979 Yamaha G1, KM24 powered 1975 Dolmar KMS4

10-14-2014, 01:09 PM	#5
rx7 vinnie I SEE DEAD PEOPLE Join Date: Mar 2008 Location: nashville, tn (antioch) Posts: 743 Rep Power: 18	YUPP.... You have my number. __________________ VIN-AUTO Rotary list of Fails below: 86 mazda rx7 csp 61 N/A= because RACECAR 87 mazda rx7 t2 with 13b-re cosmo GT42= FKN RUNS!!! 03 Dodge Viper SRT-10 Vert 06 dodge ram 2500 Megacab turbo Cummins=puller 16 MB ML350

10-15-2014, 12:48 AM	#6
FC Zach RCC Loves Me Not You Join Date: Mar 2008 Location: Eagleville, TN Posts: 2,267 Rep Power: 20	Problem solved! contacted the fabricator Vinnie used and will soon make a visit. Thanks Vinnie! __________________ 1993 Yamaha GTS1000 1992 Celica Turbo AllTrac 1987 RX7 Sport 1979 Yamaha G1, KM24 powered 1975 Dolmar KMS4

10-15-2014, 05:52 AM	#7
rx7 vinnie I SEE DEAD PEOPLE Join Date: Mar 2008 Location: nashville, tn (antioch) Posts: 743 Rep Power: 18	Np dood. __________________ VIN-AUTO Rotary list of Fails below: 86 mazda rx7 csp 61 N/A= because RACECAR 87 mazda rx7 t2 with 13b-re cosmo GT42= FKN RUNS!!! 03 Dodge Viper SRT-10 Vert 06 dodge ram 2500 Megacab turbo Cummins=puller 16 MB ML350

10-15-2014, 12:39 PM	#8
infernosg IT'S ALIVE! Join Date: Dec 2009 Location: Richmond, VA Posts: 811 Rep Power: 16	I made my own out of fiberglass. Here's an unfinished picture: And one mocked up under the hood: I'm curious about the aluminum one above. Does it have some contour or is it more of a "box?" I liked the idea of an aluminum shroud but didn't have the provisions to make a nice, contoured shape. The good thing about a flatter aluminum shroud is it's easy to make "flaps" that open when the car is moving to improve flow. __________________ '86 Mazda RX-7 Base '79 Mazda RX-7 GS

11-25-2014, 05:50 AM	#9
FC Zach RCC Loves Me Not You Join Date: Mar 2008 Location: Eagleville, TN Posts: 2,267 Rep Power: 20	Got mine made, now Vinnie and I are twinsies __________________ 1993 Yamaha GTS1000 1992 Celica Turbo AllTrac 1987 RX7 Sport 1979 Yamaha G1, KM24 powered 1975 Dolmar KMS4 Last edited by FC Zach; 07-25-2017 at 11:19 PM.

11-25-2014, 07:55 AM	#10
infernosg IT'S ALIVE! Join Date: Dec 2009 Location: Richmond, VA Posts: 811 Rep Power: 16	^^^ To restate my previous question is the shroud "flat" or does it have some contour to it? From the picture it looks to be more flat. On the other hand it looks like you could easily add "flaps" that open when the car is moving to increase airflow when the fan isn't needed. __________________ '86 Mazda RX-7 Base '79 Mazda RX-7 GS

11-25-2014, 08:38 AM	#11
FC Zach RCC Loves Me Not You Join Date: Mar 2008 Location: Eagleville, TN Posts: 2,267 Rep Power: 20	Yeah Jon, it's flat. I have the largest diameter fan that could fit on there thinking it would remedy that possible issue. __________________ 1993 Yamaha GTS1000 1992 Celica Turbo AllTrac 1987 RX7 Sport 1979 Yamaha G1, KM24 powered 1975 Dolmar KMS4

11-25-2014, 09:56 PM	#12
rx7 vinnie I SEE DEAD PEOPLE Join Date: Mar 2008 Location: nashville, tn (antioch) Posts: 743 Rep Power: 18	Looking good broseth...... But mine is slightly different at the outlets so no twinsies for you. __________________ VIN-AUTO Rotary list of Fails below: 86 mazda rx7 csp 61 N/A= because RACECAR 87 mazda rx7 t2 with 13b-re cosmo GT42= FKN RUNS!!! 03 Dodge Viper SRT-10 Vert 06 dodge ram 2500 Megacab turbo Cummins=puller 16 MB ML350

11-26-2014, 07:28 PM	#13
FCFrog The Newbie Join Date: Oct 2014 Posts: 3 Rep Power: 0	Sweet