sebastiaan
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| posted on 25/8/10 at 06:47 PM |
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bonnet vents
Hi!
I'm wanting to put some sort of vent in the rear-top part of the nosecone on my Indy to aid getting the hot air away from the rad as quickly as
possible. I'm looking for styling ideas.
One obvious candidate would be to just cut a CSR-style hole and back it with some mesh as done on Zetec's car. This'll look good but
i'm a bit worried about what happens when the car is stood in the rain.
Then there are the Donkervoort / FW400 / SR2 style vents backed with mesh, but those only look really good when surrounded by a " bump" and
look a bit naff when just cut into a flat bonnet.
Finally, it might be possible to adapt something from a production car. The bonnet vents from a MK3 astra GSI spring to mind which could look good
painted black.
Any other ideas? My car is red & black as per picture below.
Thanks,
Sebastiaan
 
Indy with screen
edited to add picture
[Edited on 25/8/10 by sebastiaan]
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jono2020
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| posted on 25/8/10 at 06:51 PM |
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Im in exactly the same situation so I hope you get some good ideas...
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Mark Allanson
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| posted on 25/8/10 at 07:04 PM |
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I was thinking of adding a lip at the front of the vent to create a low pressure zone to 'suck' the hot air out of the engine bay.
Does anyone think it will work? Or have a better idea?
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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Mark Allanson
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| posted on 25/8/10 at 07:08 PM |
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Sorry image to explain
 
Bonnet Lip mod
The grilles are the front grille meshes from an MG ZR!
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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Humbug
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| posted on 25/8/10 at 07:25 PM |
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Vents on the sides at the rear of the bonnet gets round the problem of rain coming in if you have vents on the top. On my ali bonnet I fitted B&Q
ali louvre vents with the "catching" part facing in and forwards. Or you could so something like Mark A above.
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40inches
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| posted on 25/8/10 at 07:27 PM |
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I am going to do something similar, should work on an outlet quite well, like this one:
Image deleted by owner
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Mave
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| posted on 25/8/10 at 07:29 PM |
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Sebastiaan,
for my new nosecone I took the hole-shape of the CSR and added the Donkervoort-lip in front. But that would mean a respray in your case...... (note
that I still need to cut the actual hole)
Marcel
[Edited on 25/8/10 by Mave]
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sebastiaan
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| posted on 25/8/10 at 07:41 PM |
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Mark,
that ridge is almost exactly what Donkervoort do, and it looks good on those:
Without the ridge though, it looks a bit.... well... like this:
Marcel, I really like the look of that new bonnet. It looks much better than your previous bonnet (which I also liked, including the vents on). Lot of
work though, right?
Any more suggestions: keep 'm coming, especially if they use some form of recycled OEM vent!
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Mave
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| posted on 25/8/10 at 07:49 PM |
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Yep, I agree with the ridge. It looks more finished, rather than an "afterthought".
In the old nose, the vents were nicely shaped, but too far forward. The top of the radiator was actually right below the front hole.
Marcel
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rick q
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| posted on 26/8/10 at 12:15 AM |
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I did a straight forward vent at the rear of the nose cone using standard rubber extrusions and that expanded aluminium mesh the young lads use to
tart up their "ricers".
Seems to work well [at low speeds you can feel the warm air coming out and into your face], and by being careful, I didn't have to repaint the
nosecone. There's also a sheet aluminium baffle at the rear of the nosecone stopping rain going onto the front of the engine, and to helps
direct air up through the vent :-
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