Lotus Elan

Foam strip at rear of bonnet (S3 Elan) purpose and size?

PostPost by: awatkins » Sat Jun 20, 2020 8:58 pm

My S3 has a deteriorated strip of foam rubber running across the ledge under the rear edge of the bonnet. It appears to have been 3/4” high or less, I’m not convinced it would reach the underside of the bonnet, but regardless, does anyone know its purpose and correct dimensions?

Thanks, Alan
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PostPost by: h20hamelan » Sat Jun 20, 2020 9:21 pm

I used, seems correct

Frost King R930H Sponge Rubber Foam Tape 9/16-Inch, Black

$8 at hardware store
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PostPost by: awatkins » Sat Jun 20, 2020 10:21 pm

And that is compressed when you close the bonnet?
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PostPost by: h20hamelan » Sun Jun 21, 2020 1:03 am

It has some compression as I can see/watch it expand after popping the bonnet
At $8, your not out too much I hope
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PostPost by: awatkins » Sun Jun 21, 2020 3:17 am

OK, so my only question is, why? What does blocking airflow through that 1/2” slot accomplish?
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PostPost by: Andy8421 » Sun Jun 21, 2020 6:18 am

The air intake for the heater is immediately aft of the foam strip, so I had always assumed it was to stop the usual cocktail of engine smells being drawn in to the heater and then into the cabin.

It could of course just be to stop the bonnet rattling.
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PostPost by: awatkins » Sun Jun 21, 2020 7:48 am

Thank you, Andy. That makes perfect sense; I had completely disregarded the presence of the cabin air intak right downstream.
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PostPost by: skelteanema » Wed Jun 24, 2020 8:48 pm

Hi,

any photo of where this is located? I don't have this on my car.
Skittle. 1967 Elan S3 DHC
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PostPost by: awatkins » Thu Jun 25, 2020 2:53 am

See the engine bay photo here:


http://lionheartsolutions.com/sprint026 ... ay2017.JPG

and on the right you will see a strip of grey foam running almost the entire width of the engine bay.
Last edited by awatkins on Fri Jun 26, 2020 2:44 am, edited 2 times in total.
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PostPost by: pharriso » Fri Jun 26, 2020 12:02 am

awatkins wrote:See the engine bay photo here:

[http://lionheartsolutions.com/sprint0260k/Images/0260K_EngineBay2017.JPG

and on the right you will see a strip of grey foam running almost the entire width of the engine bay.


Looks familar :roll: , the link is:
Image

& for those of you in the UK, Vince Haydon sells these on ebay Regularly, his id is vojihay
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