2012-2013 BOSS 302

Brake Duct Kit Installation

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Old Aug 12, 2011 | 02:04 PM
  #41  
JScheier's Avatar
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From: Parker, Colorado
Originally Posted by 06GT
Did you have to cut the fender liner to route the hoses? Pics?
I didn't have to cut any of the liner, but I did not put that smaller liner (shown in an earlier photo) back up on the driver's side.

Currently not allowing me to upload photos (first said missing security token... now it just says 'Upload Failed').
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Old Aug 12, 2011 | 02:16 PM
  #42  
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http://imgur.com/
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Old Aug 14, 2011 | 03:32 PM
  #43  
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From: Parker, Colorado
http://imgur.com/a/7WQZw
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Old Aug 14, 2011 | 04:05 PM
  #44  
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Thanks for the reference pics
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Old Aug 14, 2011 | 08:16 PM
  #45  
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From: Indiana
My pre install additions

I purchased my kit prior to my car arriving, and I have yet to install it. I have read all of the comments with high interest, and learned a lot. I took my backer plates to a local machine shop and had them cut down to fit the hoses. He sliced the plate about 1" deep, then lightly "torqued" the flanges inward. After getting it to allow for the duct to slide onto it with some effort, I did not want it too loose, he plasma welded the seams. After he was done, I sandblasted them clean, and then had them powdercoated. It cost me a total of $ 46.00. Now I am ready to install them. I also called Ford Racing on Thursday, e-mailed a copy of my invoice, and received the predrilled fog lamp inserts on Friday.
Attached Thumbnails Brake Duct Kit Installation-img_4798.jpg   Brake Duct Kit Installation-img_4828.jpg  
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Old Aug 14, 2011 | 08:22 PM
  #46  
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Cooling ducts

I don't know if this will help anyone but I did find a way to solve the hose connection to the backing plate with the cooling connection.That hole is 3"(as everyone is aware).I bought 2ft of 3 1/8" aircraft SCAT tubing.I cut in in half leaving 2 ,12" pieces.I then connected it to the backing plate cooler connection with a wide band screw type clamp,as well as the supplied screw type clamp.I verifyed that it was a strong connection.I then put the supplied 3" hose INSIDE the 3 1/8" hose and it fit nice.By using tie stips I secured the 3'' hose.It works very well since their is very much of the 3" stuffed into the 3 1/8" hose.The SCAT tubing is MAJOR stout and good to 550 degrees.Anyway I tried several ways and read a lot of other posts and thought I would try this.I hope it helps others.I bought the SCAT tubing at Aircraft Spruce.

txclyde1
LS 014
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Old Aug 15, 2011 | 08:09 AM
  #47  
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From: The Alamo
pix??
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Old Aug 16, 2011 | 03:37 AM
  #48  
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I never needed to move the horns or washer bottles?
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Old Aug 16, 2011 | 05:18 AM
  #49  
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From: SE Michigan
Originally Posted by Big Vito
I never needed to move the horns or washer bottles?
Did you get a photo showing the routing?
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Old Aug 16, 2011 | 10:50 AM
  #50  
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Originally Posted by Bossdog

Did you get a photo showing the routing?
No, it was a thought after it was all together I was just glad to get the puzzle together
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Old Aug 16, 2011 | 12:07 PM
  #51  
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From: Parker, Colorado
I didn't relocate the washer bottle, and probably could have gotten away without bending the horn up. Bending the horn just made it easier to route the tubing through the bumper. If I were picky, moving it would have been a better option. I'm more function over form
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Old Aug 16, 2011 | 02:04 PM
  #52  
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I think it's possible to not move the horn but I was worried about rubbing a hole in the hose. I tried to find a better position for the washer bottle but after screwing around with it for an hour, I said screw it and put it back to stock location.
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Old Aug 16, 2011 | 05:30 PM
  #53  
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Originally Posted by Dean#4AI
I think it's possible to not move the horn but I was worried about rubbing a hole in the hose. I tried to find a better position for the washer bottle but after screwing around with it for an hour, I said screw it and put it back to stock location.
I've had my Boss on the road since the end of April and have never had to use the washer solvent. I ended up taking my washer solvent bottle off when installing the ducts. Made a nice straight shot back with the duct hose. I do drive the car quite a bit, but I tend to stay out of the rain if possible so maybe thats why I have never used the washers. I did see a picture of the LS ducting in Don Farrs Boss book. It shows the hose going beside the bottle like other guys here have stated. I just thought with the bends to get around the bottle that the cooling might not be as good as it being straight. I do know that the ducting works. Went to Nelson Ledges last Friday and the front brakes were cool compared to the back brakes. And the stock brakes worked good for me.
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Old Aug 16, 2011 | 05:56 PM
  #54  
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From: Arvada, CO
Originally Posted by 2006mach1
I just thought with the bends to get around the bottle that the cooling might not be as good as it being straight.
I've always wondered about this as well -- how much effect it really has on this type of tube, which obviously wouldn't offer anything near laminar flow. I'd imagine some of it has to do with the pressure head built at the duct opening, but wonder if the rotor itself generates any negative pressure effect to pull cool air through to the center.
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Old Aug 16, 2011 | 09:10 PM
  #55  
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From: SD
Got my kit installed a few days ago.
I had air inlet plates (the 3" connector) from my GT brake cooling kit, so I simply swapped them between GT and Boss since I removed the Steeda cooking kit from the GT.
Big picture, here's what I did:
1. Remove inlet plates from front facia
2. Remove wheel, caliper, rotor backing plate
3. Remove front half of wheel liners--3 screws and about 5 pull tabs
4. Remove and discard drivers wheel well smaller black plastic piece that covers part of the brake line.


5. I moved the washer tank over. Remove 3 screws on washer tank. Add 1/4" washers to back side of 2 lower screws (I replaced front screw w/ 1/4" bolt). Use drill to elongate top hole so screw can go back in. Reattach tank. With the liner removed, its easy to get at. Here's upper and rear screws.

6. Remove horn, loosen nuts, turn horns up, tighten, then bend up bracket to get them away from hose.
7. Cut off triangle piece farthest from edge of car. I also put Gorilla duct tape on edges of the tin behind the horn as seen here, and same on other wheel well.

8. Passenger side facia - cut off right side of fog light holder w/ key hole saw. I also removed the remaining bottom finger seen in this pic. Moving washer tank and cutting this piece off made getting the hose thru there very easy.


9. Wrap electrical tape around facia hose connector for a better fit. Install hose clamps. Insert hose thru facia. Remove wire from other end of hose deep enough for the brake plate connector. Grab end of wire w/ wire cutter and pull. Reach in between hose layers and cut. Install and clamp.
10. Attach backing plate, and cable tie hose to sway bar. I bought 150 lb (huge) cable ties (recommended by Steeda rep on their kit).
11. Install wheel well liners and trim as desired for hose.
12. Install caliper and wheel, and check for tire/hose clearance. Adjust hose/cable ties as needed. I also added duct tape below the horn just in case it rubs.

Hope this, along with previous posts, helps the next person w/ their install.
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Old Aug 17, 2011 | 07:36 AM
  #56  
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From: Arvada, CO
Originally Posted by SD GT
I also removed the remaining bottom finger seen in this pic. Moving washer tank and cutting this piece off made getting the hose thru there very easy.
Sorry to hear that you removed the remaining bottom finger, you just have to be more careful with the cutting tools. Makes a bloody mess, though, eh?

Were they able to reattach it?


Just kidding....good post, great pics.
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Old Aug 17, 2011 | 08:50 AM
  #57  
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From: SD
I was waiting for that one . . .
You're just Joshing me, right?
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Old Aug 17, 2011 | 09:24 PM
  #58  
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I made the backing plate so it fit correctly/ Without the wire in the tube the fabric will give out in short order. Amazing Ford could get that right.




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Old Aug 18, 2011 | 07:26 AM
  #59  
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Originally Posted by CO_VaporGT_09
I've always wondered about this as well -- how much effect it really has on this type of tube, which obviously wouldn't offer anything near laminar flow. I'd imagine some of it has to do with the pressure head built at the duct opening, but wonder if the rotor itself generates any negative pressure effect to pull cool air through to the center.
Vapor,

Not sure why you would want laminar flow for brake cooling through the duct.(?) And I am relatively certain it will be nowhere near laminar. Turbulant flow is really what you want as this type of flow improves the heat transfer coefficeint sucking more BTU's out of the rotor.

I am also fairly certain the vanes in our brake rotors do in fact "pump" air from the ID to the OD where it is discharged. Thus the ducted (ram pressure) air ducted from the front facia location to the ID of the brake rotor would see a slighly lower pressure at this location due to the disc pumping effect. (which would then aid air mass flow and increase heat transfer). The more turbulance you can produce within the brake rotor air passage (where the pumping vanes are located) the better.
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Old Aug 18, 2011 | 07:56 AM
  #60  
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From: Arvada, CO
Originally Posted by P0 Corsa
Vapor,

Not sure why you would want laminar flow for brake cooling through the duct.(?) And I am relatively certain it will be nowhere near laminar. Turbulant flow is really what you want as this type of flow improves the heat transfer coefficeint sucking more BTU's out of the rotor.
Laminar flow in any tube will cause it to flow faster, so IN the duct, that'd be ideal, but would never happen with the helical coil going by (would be interesting to see if that causes a vortex effect, though, thereby increasing speed a bit). Once it dumps into the rear rotor, turbulent flow may very well transfer more heat -- and no way it's not turbulent flow at that point. It'd be cool to see a wind tunnel study of this type of brake ducting, and I'm sure all the LeMans prototypes and F1 teams have done exactly that. Makes you wonder if Ford analyzed it all for the 302S or R.

Originally Posted by P0 Corsa
I am also fairly certain the vanes in our brake rotors do in fact "pump" air from the ID to the OD where it is discharged. Thus the ducted (ram pressure) air ducted from the front facia location to the ID of the brake rotor would see a slighly lower pressure at this location due to the disc pumping effect. (which would then aid air mass flow and increase heat transfer). The more turbulance you can produce within the brake rotor air passage (where the pumping vanes are located) the better.
I'd assume this as well, and probably is the dominant effect, along with any ram-air/venturi pressure increase from the front ducting.
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