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Kirkham Motorsports

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  #1 (permalink)  
Old 06-09-2018, 09:36 PM
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Default Radiator protection

The exposed radiator gets some serious damage over time from small rocks flying into the gaping mouth of our Cobras. What do you Backdraft guys do to protect your radiators besides covering the “hole” with mesh? I want to keep the open appearance...
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Old 06-11-2018, 02:45 PM
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I use a honeycomb (n0mex) piece https://www.speedwaymotors.com/Nomex...9X26,3545.html
WOrks great
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Old 06-11-2018, 03:57 PM
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Most Cobras sustain little damage on their way to Cars & Coffee....
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Old 06-12-2018, 05:09 AM
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Ditto to BDR, this is what I use and works great.
https://www.jegs.com/i/Allstar-Perfo...30158/10002/-1

I just cut it to size and lay it in there. Stays without any fasteners. Pull it out and wash it off when it needs it.
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Old 06-12-2018, 06:34 AM
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Great info. Thanks! If nothing else it keeps the bugs away from the radiator, also the oil cooler.
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Old 06-12-2018, 07:45 AM
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We use them on our sprint car, and they work well, but with our Cobra's be careful in the heat of summer, as these impeed air flow when driving slow or stopped in traffic. Keep an eye on your temp gauge at first.
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Old 06-12-2018, 06:28 PM
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Default Radiator protection

My Superformance came with a shield that fits in front of the radiator that looks just like a radiator.
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Old 06-13-2018, 09:07 AM
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Quote:
Originally Posted by snapier View Post
My Superformance came with a shield that fits in front of the radiator that looks just like a radiator.
I have the same thing in my Superformance and it works great
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Old 06-13-2018, 09:42 AM
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Can you guys post some photo's of just the shield ?
Where can we buy one and is it made only from Superformance ?
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Old 06-18-2018, 04:18 PM
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I went to my local Home Depot and purchased some window screen mesh and window screen hardware. I made my own radiator screen held in with velcro. It is easy to remove and clean and I believe I only spent around $25-$30. Comes in silver or black. But like someone said above, be sure to watch your temp gauge when city driving on a hot summer day.
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Old 06-18-2018, 04:25 PM
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Quote:
Originally Posted by FUNFER2 View Post
Can you guys post some photo's of just the shield ?
Where can we buy one and is it made only from Superformance ?
Make your own! Its easy! Its just regular window screen! That looks very similar to mine, but mine doesn't have the 2 supports in the middle. Mine is the same size as the radiator with velcro holding it in on the sides. You dont really need those 2 supports in the middle if the screen fits fairly tight.
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Old 06-18-2018, 04:50 PM
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Quote:
Originally Posted by Zeke View Post
I went to my local Home Depot and purchased some window screen mesh and window screen hardware. I made my own radiator screen held in with velcro. It is easy to remove and clean and I believe I only spent around $25-$30. Comes in silver or black. But like someone said above, be sure to watch your temp gauge when city driving on a hot summer day.
I did the same. Not very nice looking, but it's cheap and it works.
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Old 06-19-2018, 01:54 PM
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Here's how we did KMP259's Radiiator....

First we put Adhesive Silicone Rubber around the face of the Radiator.



Then we sealed the sides of the radiator



Then we sealed the top of the radiator



Now we fit the tight seal of the radiator into the vehicle so that no air can get past it for any reason



Now you can see how we installed the SS Wire in front of the radiator to protect it from rocks .... Also the oil cooler is exposed ...but it is much stronger then a radiator and easier to change.... if neccessary.



Packing the air in the radiator so it doesn't leak is very important ...also with the opening in the front of the car.... the air will slow down when it hits the radiator because the radiator hole is much bigger .... this is important as if you can get the air to slow down... then it cools much better....

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Old 06-19-2018, 06:05 PM
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Morris, great job.

Where did you buy the Adhesive Silicone Rubber ?
Is it a round, flat etc ?
Can you remove it at will ?
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Old 06-19-2018, 07:15 PM
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McMaster Carr they have everything......

Also got the SS mesh wire there as well....

The Silicone is flat a then we got some 1/4” Silicone hose and split it to go on all of the sheet metal edges...
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Old 06-19-2018, 07:35 PM
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Thanks buddy.
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Old 06-21-2018, 05:16 AM
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I bought a piece of stainless at a mechanical shop and tig it to 1/4" chromoly tubing.

worked great for 42,000 miles




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Old 06-22-2018, 05:48 AM
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I use the top of an aquarium. Stainless steel screen with a plastic screen. fits tight and you can pull it out and clean the bugs and debris easily.
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Old 06-22-2018, 06:07 AM
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I also use the Nomex screen from Speedway. It comes in tan so I sprayed it with aluminium colored paint. Easily cut to size with HD scissors, installed with industrial Velcro. I did use heavy needle and thread to attach the Velcro to the screen since the hook and loop was stronger than the adhesive on the screen. Takes a minute to remove for cleaning. I did notice a 5° increase in running temperature, in our AZ heat. Well worth it for the peace of mind.
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Old 06-23-2018, 08:37 PM
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Quote:
Originally Posted by lomdel View Post
The exposed radiator gets some serious damage over time from small rocks flying into the gaping mouth of our Cobras. What do you Backdraft guys do to protect your radiators besides covering the “hole” with mesh? I want to keep the open appearance...
I’ve put a lot of miles on my Backdraft, on and off the track. The radiator opening is a crap-catcher, for sure, but I have yet to experience anything more than cosmetic damage. If it gets to the point that I can’t look at it anymore or suffer serious damage, I can replace that radiator over an afternoon and for a trivial expense. A lot less complicated and expensive than the radiators on my Porsche that are located behind gaping openings... I have screens to protect the radiators on that car.

FWIW, the best protective strategy for the Cobra radiator is to lead, not follow, any other cars
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