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-   BackDraft Racing --- (http://www.clubcobra.com/forums/backdraft-racing/)
-   -   New Project - Pusher Fans (http://www.clubcobra.com/forums/backdraft-racing/143172-new-project-pusher-fans.html)

spdbrake 07-23-2020 10:32 AM
I went ahead and installed the fans since all the parts showed up as I'm bored.

Shopping list:
2- 9" fans 17545K83, https://www.mcmaster.com/17545K83/
2- Motors Dayton 3LCH7, https://electricmotorwarehouse.com/1...n-2m197-3lch7/
2- 304 Stainless panel brackets, https://www.mcmaster.com/1755A71/
1- 6ft 6063 3/4X3/4 1/8" wall square tube, https://www.mcmaster.com/88875K52/
1- 6ft 6063 3/4X3/4 1/8" angle (motor mounts), https://www.mcmaster.com/4630T22/
Various stainless mounting screws.
All items except Stainless brackets painted with Acry Glow high solids silver.
All holes for mounting the, Motor mount angles, Square tubing to brackets were tapped 10-32. Brackets to car are 1/4-20 Stainless with self-locking nuts and fender washers.
Wiring runs inside square tubing, Sealed wiring at area it enters the motors in case I ever hit rain. Local frame ground. One power wire to a new relay and fused circuit. Toggle activates the Relay ground VS positive + power relay activated.

http://www.clubcobra.com/forums/pict...ictureid=19066
http://www.clubcobra.com/forums/pict...ictureid=19065

FredG 07-23-2020 04:16 PM
Looks great. The one thing I have found with the pusher fans is that they lower the coolant temp when they are used in conjunction with the puller. I put them on occasionally when it's 90 plus out and the temp starts to creep above 190. Car quickly cools to 180 and lower. They look and sound really cool also. Next project will be the oil thermostat to get the oil temp up.


Fred

NoVA Cobra 11-12-2021 07:38 AM
Quote:
Originally Posted by FredG (Post 1471498)
Pusher fan project is completed and works great. Fans are more powerful than expected and work independently from puller with a dash mounted toggle. Parts used in project are listed in above posts.
Thanks, Fred. Looks nice. I see how the brackets mount to the bar, but I'm curious how the brackets are mounted to the car. I just have a lot of fiberglass inside the cowl and around the radiator. How did you attach the brackets to the car? Are you drilling holes and mounting to fiberglass directly?

FredG 11-12-2021 01:44 PM
Mounting
 
Yes. I drilled through the fiberglass and mounted with stainless bolts and stainless nylon locking nuts. There are quick connect electrical fittings also. It's easy to take the whole thing out.


Quote:
Originally Posted by NoVA Cobra (Post 1499305)
Thanks, Fred. Looks nice. I see how the brackets mount to the bar, but I'm curious how the brackets are mounted to the car. I just have a lot of fiberglass inside the cowl and around the radiator. How did you attach the brackets to the car? Are you drilling holes and mounting to fiberglass directly?

Seanpatrick 11-12-2021 06:23 PM
Great job, im going to do this also. What are the stainless steel hoses running down for? Mine does not have them. SPM

FredG 11-13-2021 03:39 PM
Hoses
 
Oil Cooler.



Quote:
Originally Posted by Seanpatrick (Post 1499350)
Great job, im going to do this also. What are the stainless steel hoses running down for? Mine does not have them. SPM


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