Question: reinstalling the radiator shroud side foam pieces with aluminum radiator - LotusTalk - The Lotus Cars Community
 
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post #1 of 9 (permalink) Old 04-08-2015, 06:29 PM Thread Starter
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Question: reinstalling the radiator shroud side foam pieces with aluminum radiator

I just replaced the OEM radiator of my '06 Exige with an aluminum unit (ProAlloy) and would like to reinstall the radiator shroud side foam pieces. It is my understanding the foam pieces seal the radiator against the shroud to prevent air flow leakage.

The side foam pieces appears to have been attached to the OEM radiator with adhesive (I used a putty knife to separate them during removal).

Any suggestions on how to reattach them? Any adhesive needs to be water proof since the radiator is exposed to the weather and heat proof because of 180 - 210 degree operating temperatures.
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2006 Exige - Phantom Black
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post #2 of 9 (permalink) Old 04-08-2015, 06:35 PM
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Try 3M Super 77 spray adhesive. I believe that you can get it a Lowes or Home Depot.

Later,
Eldon
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post #3 of 9 (permalink) Old 04-08-2015, 08:00 PM Thread Starter
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Try 3M Super 77 spray adhesive.
Thanks for the suggestion. Though, 3M's product data sheet states that it will fail at 205 degrees.

Looking for something that can take a bit more heat...like 225....a temp that my cooling system will hopefully never register.

2006 Exige - Phantom Black
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post #4 of 9 (permalink) Old 04-08-2015, 08:26 PM
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I replaced the OEM foam with new pipe insulation foam. It fit fairly tight so it didnt need any adhesive.
That was about 4K miles ago. Works well.

In theory there is no difference between theory and practice. In practice there is. - Yogi Berra -

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post #5 of 9 (permalink) Old 04-09-2015, 08:59 AM
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Quote:
Originally Posted by Lotusmotion View Post
Thanks for the suggestion. Though, 3M's product data sheet states that it will fail at 205 degrees.

Looking for something that can take a bit more heat...like 225....a temp that my cooling system will hopefully never register.
When I redid mine, I bought foam that had adhesive on it. I placed the adhesive on the housing, not the radiator. That way the adhesive would never see the higher temperature.

Later,
Eldon
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post #6 of 9 (permalink) Old 04-09-2015, 10:29 AM Thread Starter
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Eldon, thanks again...great suggestion about sticking it to the shroud rather than radiator.

2006 Exige - Phantom Black
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post #7 of 9 (permalink) Old 04-09-2015, 11:32 AM
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After replacing my radiator, we also re-glued the foam to the shroud instead of the radiator itself.

2005 Nightfall Blue Elise: Sport, Touring, Quantum Zeros, Pro Alloy, BWR De-Cat, Stage II, BOE Torque200 tune
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post #8 of 9 (permalink) Old 04-02-2019, 06:09 AM
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can anybody point me to a source for a good replacement foam product for lining the new radiator?
although I did a good job slicing off the old on the radiator side surfaces I would like to replace if possible

Thanks,

Henry
'07 Exige S
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post #9 of 9 (permalink) Old 04-02-2019, 06:13 AM
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Mcmaster.com has several different kinds of foam.

black is usually more sun resistant
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