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Cover Up Holes In The Firewall?

xanavinismo
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xanavinismo Rising Star

xanavinismo

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Posted

Hi all,

I am going to be removing the heater core/complete fan assembly from my R34 GT-R and have seen that there will be four holes that will be left in my firewall...

What would be a good way to cover up these holes? Ie - Metal plates, heat shield material etc etc...? :3some:

I have attached a pic for your reference.

Thanks for any help/info!

post-38738-1273550460_thumb.jpg

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https://www.sau.com.au/forums/topic/320174-cover-up-holes-in-the-firewall/
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Craved Grand Master

Craved

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Posted

what i would do :

use rubber bungs for the small round holes

then get 2 pieces of alloy cut to the oval shape of the larger hole - bolt them together through the opening so that it can be removed later. using a small amount of foam or rubber to act as a seal to the panel

xanavinismo Rising Star

xanavinismo

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buy rubber bungs from clark rubber, for the oval hole get a bigger bung, it will form to shape, exactly what ive done. works a charm

These methods sound good! Is it possible to get a photo of your setup? Would be greatly appreciated!

Thanks,

xanavinismo Rising Star

xanavinismo

Posted
  • Author
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Get the ovals and circle traced and cut out of aluminium sheet, liquid nails in place to seal. Will be nice an neat. (I've even sprayed them lightly with bayside Blue :D

post-1182-1274237171_thumb.jpg

Nice job with the pic edit! See now THATs the sort of setup im after!!! Although i've never heard of 'liquid nails'... how do they work to seal the plates up?

Cheers

666DAN Grand Master

666DAN

Posted
Posted
Nice job with the pic edit! See now THATs the sort of setup im after!!! Although i've never heard of 'liquid nails'... how do they work to seal the plates up?

Cheers

http://www.selleys.com.au/Building-Constru...es/default.aspx

like silicone but better :D

just thinly apply to the overlap of the aluminium and stick in place over the lip of the firewall holes, will be very neat :cool:

If you can get the aluminium sheet cut as close as possible to the edge of the lipped section it will be fairly seemless.

gwin Proficient

gwin

Posted
Posted

What are you trying to acheive? Less road noise? Heat? smell?

If you just want to cover up the hole for simple reasons, use sound deadening mats... just cut and paste over the hole..

For more hardcore stuff you really should weld plates to it...

xanavinismo Rising Star

xanavinismo

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  • Author
Posted
Actually, having said that you can also use thermal mats, (usually you stick this stuff around your turbo lines).. it will be pricey though.

Yeah thats not a bad idea too... hehe got a few options now. :D

Although im heading towards aluminum plates, but now have to decide whether i want to weld them or use liquid nails/sikaflex.

Cheers,

Glen

xanavinismo Rising Star

xanavinismo

Posted
  • Author
Posted
If you use sikaflex, make sure you get the heat tolerant one. There's one specifically for high temp applications @ bunnings.

Theres quite a few different sikaflex's... :blink: so which one exactly is the high temp application one that I should use?

http://www.sika.com.au/cmi/auto_products_adh.htm

Cheers,

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