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Pod Box Fully Sealed For Bonnet Scoop

5ky-lin3

By 5ky-lin3,
in Exterior & Interior Styling

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5ky-lin3 Collaborator

5ky-lin3

Posted
Posted

Hey guys,

Just received my carbon bonnet which has a scoop for the air intake

post-68489-13896052238974_thumb.jpg

And now need to make a POD box. It's simple enough to make a normal box such as the one found in this thread. http://www.skylinesaustralia.com/forums/topic/208224-making-a-professional-heatsheildpod-coverair-box-at-cost/

But I want to make one that has a seal around the bottom of the bonnet (top of box) where the scoop is to make sure the air is going where it should. I would think for this that I would need to form a compressive rubber seal the bonnet can sit on but unsure how to go about actually measuring the heights needed around the box walls to keep the seal on the bonnet??? I mean it's pretty hard to close the bonnet and see how high the walls and then rubber lining needs to be??

Any help would be greatly appreciated.

-Dallas

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Bennis Rising Star

Bennis

Posted
Posted

Basic idea:

Make the box in the general area of the scoop. Put some sort of thick/tall lining around top of box with some paint on it. Make sure itll touch the hood when u close it. Close hood, and you will get imprint on hood. Place Some foam on top of box and on hood where the paint outline was so that they press togethor when hood is closed.

5ky-lin3 Collaborator

5ky-lin3

Posted
  • Author
Posted

Thanks I'll give the foam a go on top of the box then cut it so all edges are touching the hood with roughly the same force then I'll have the print for a rubber seal. Might use chalk so I can remove it from the hood and have several goes at getting the seal right on each edge.

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jjman Mentor

jjman

Posted
Posted (edited)

I did a similar thing with mine.

I got the Perspex from bunnings (u can cut with a grinder or anything really) and the rubber edging from clark rubber which I glued onto the Perspex with sikaflex.

cut the Perspex to the required shape to make an airbox that basically seals against the bonnet (1-2cm of clearance) and then use the rubber edging to complete the seal.

Bottom line is you are never going to get a perfect seal so a good job will do 99% of the effect desired. The main intent is to block the air from the engine bay and make the easiest air for it to breathe from the cold air entry.

Edited by jjman
scotty nm35 Grand Master

scotty nm35

Posted
Posted

I made this setup for a 550kw Supra, force fed from the front bar by a 4 inch pipe. It used to lift the bonnet slightly at high speed so the seal must have been pretty good.

I used flat alloy sheet with heat proof foam backing, and the Clark rubber seal.

post-63525-0-81661800-1389704377_thumb.jpg

75coupe Grand Master

75coupe

Posted
Posted

Hey guys,

Just received my carbon bonnet which has a scoop for the air intake

attachicon.gifImageUploadedBySAU Community1389605220.829911.jpg

is this a full carbon fibre bonnet or a fibreglass with a layer of cf over it?

I have the same bonnet in fibreglass. but if I can find a full carbon fibre one I would like to upgrade, I have a arc airbox that sits perfectly under the scoop, been wanting to make a duct for it, post up photos of how you go with this

5ky-lin3 Collaborator

5ky-lin3

Posted
  • Author
Posted

Attacked it this afternoon. Got the box done and the seal with a foam cut out. The foam still needs a bit of trimming to fit perfect and look a bit cleaner but I'm happy with how it's gone so far

post-68489-13901060001973_thumb.jpg

jjman Mentor

jjman

Posted
Posted

yeah id say sand it to a smooth texture if possible n then spray.

even then, iv heard that the test most cops like to try is the grab n pull. if they do this n shit moves or breaks off they are likely to give the defect. You think it will stand up to that?

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