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Author functional bonnet vents
Ant
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Registered: 12th May 02
Location: Hereford and Worcester
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3rd Dec 06 at 13:43   View User's Profile U2U Member Reply With Quote

show me what you have got, dont want anything that looks to OTT or CHAV as I like the look of a std gsi

Anybody got pics of Joffs old car did he not have a vent?

Actual parts used and where to get them from would also be cool.

Oh and i tried posting this once before in HZ and didnt get very far!
broster
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Registered: 6th Dec 02
Location: Drives: E39
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3rd Dec 06 at 13:48   View Garage View User's Profile U2U Member Reply With Quote

no pics of jofs car but i do have this of joff, for random amusement:




his vent was a cooper s vent, looked good, would be one of the only vents id consider getting
ELG4N
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Registered: 25th Oct 03
Location: Carmarthenshire
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3rd Dec 06 at 13:51   View User's Profile U2U Member Reply With Quote

i got a big scooby one on my nova. no1 likes it but its functional! (throttle bodies)
Ant
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Registered: 12th May 02
Location: Hereford and Worcester
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3rd Dec 06 at 13:52   View User's Profile U2U Member Reply With Quote

thats fabulos mark
DAYZEE
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Registered: 13th Nov 00
Location: Stevenage, MR2 Turbo, 328i Coupe, CBR600F
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3rd Dec 06 at 13:58   View User's Profile U2U Member Reply With Quote

The only vents I like are the cool louvres ones which are pressed into the standard bonnet. Their website has plenty of examples....

http://www.coollouvres.com/
Ant
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Registered: 12th May 02
Location: Hereford and Worcester
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3rd Dec 06 at 14:14   View User's Profile U2U Member Reply With Quote

looked on there cant really seen any good pics, this wil be on a fibre glass bonnet as well so louvres may not even be possible.

The mini vent looks promising but they arnt cheap to buy and look a complete ball ache to fit.
Graeme
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Registered: 26th Jul 04
Location: Northampton
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3rd Dec 06 at 14:23   View Garage View User's Profile U2U Member Reply With Quote

joff had a mini vent in his and it did look very cool!

i may have a pic somewhere i think but will have to find it!

[Edited on 03-12-2006 by Graeme]
Gregor
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Registered: 28th Nov 03
Location: Paisley, Renfrewshire
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3rd Dec 06 at 14:36   View User's Profile U2U Member Reply With Quote

Look in andy stockers garage
K3 VMU
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Registered: 28th Jul 06
Location: Portlethen, Aberdeen,ken
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3rd Dec 06 at 16:51   View User's Profile U2U Member Reply With Quote





ASTRA GSI
Neil
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Registered: 2nd Nov 03
Location: Newcastle Drives: E46 MSport Coupe
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3rd Dec 06 at 16:54   View User's Profile U2U Member Reply With Quote

I have 3 big louvres on mine (not from cool louvres), look smart, but they won't work on fibreglass, u'd need something that can be spliced in, not pressed in, i guess.

[Edited on 03-12-2006 by NeilM]
Neil
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Registered: 2nd Nov 03
Location: Newcastle Drives: E46 MSport Coupe
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3rd Dec 06 at 16:57   View User's Profile U2U Member Reply With Quote

You can just about see them here:

Dav
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Registered: 23rd Jul 02
Location: Falkirk, Scotland
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3rd Dec 06 at 18:06   View User's Profile U2U Member Reply With Quote

Astra GSi vents can look good if they're properly cut in and smoothed.
gianluigi
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Registered: 9th Mar 05
Location: Ipswich, Suffolk
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3rd Dec 06 at 18:41   View User's Profile U2U Member Reply With Quote

cant get better than this one

Andy Stocker
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Registered: 31st Aug 00
Location: Herts Drives: Porsche 911
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3rd Dec 06 at 19:24   View User's Profile U2U Member Reply With Quote

Well that saves me posting
ed
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Registered: 10th Sep 03
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3rd Dec 06 at 19:29   View User's Profile U2U Member Reply With Quote

The main one on Steves car is nice, you hardly notice it...

N90ATH
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Registered: 10th Sep 03
Location: Boreham, Essex
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3rd Dec 06 at 19:31   View User's Profile U2U Member Reply With Quote

fears old one was ace:

Brett
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Registered: 16th Dec 02
Location: Manchester
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3rd Dec 06 at 19:50   View Garage View User's Profile U2U Member Reply With Quote

I thought it'd be a neat idea to have just 'one' of these bullet hole vents like on claire's car and have the hole leading to a Viper cold air feed

Ant
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Registered: 12th May 02
Location: Hereford and Worcester
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4th Dec 06 at 16:45   View User's Profile U2U Member Reply With Quote

this is for a car with throttle bodies so something quite big like the cooper s one would prob be best
Daimo B
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Registered: 20th Mar 00
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4th Dec 06 at 16:53   View User's Profile U2U Member Reply With Quote

The one Fear and Steve have is the fibreglass £300 jobbie. Donnas got one as well..

TBH, in terms of removing heat, its sh1te. Sits over the top of the rad so the turbo heat comes up and back under the bonnet, doesn't get a chance to go forward up and out.

Vent would be much better about 1"+ back towards the windowscreen..



UNderneath...





They suit the cars well, just need to be that little bit further back.

In terms of heat removal, go lourves.

In terms of scooping, get a "similar" to a scooby vent, or do a custom large vent accross the TB like Andys old GSi, but much bigger. Not sure how rain damage would effect the TB and electrics in the engine bay though...

Failing that............

Cut bulkhead...
Weld and strengthen.
Get long trumpet TB
Remove/Push back heater matix.
Make custom vents in scuttle panel, long TB = extra torque...

a_j_mair
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Registered: 23rd Jan 04
Location: Scotland
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4th Dec 06 at 16:54   View User's Profile U2U Member Reply With Quote

Ant
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Registered: 12th May 02
Location: Hereford and Worcester
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4th Dec 06 at 17:00   View User's Profile U2U Member Reply With Quote

yeah was thinking of bulkhead removal I like what beardy has done on his white one, though is does seem a lot of hastle and Iv just bought an air filter to suit my short trumpets!

Heater matrix is due for removal cant see how it would make much differance though as it sits very low.

What is andys vent? a couple of those might do the trick
Dave A
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Registered: 10th Dec 03
Location: County Durham
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4th Dec 06 at 17:15   View User's Profile U2U Member Reply With Quote

I removed my bulkhead to fit the 120mm trumpets. then cut out the scuttle panel and the lip on the back of the bonnet. made a good difference to the intake air temp as well (yes I was sad enough to do a before and after test with the laptop plugged into the ecu )

this is the bonnet:



and the hole in the bulkhead:



[Edited on 04-12-2006 by Dave A]
Ian
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Registered: 28th Aug 99
Location: Liverpool
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4th Dec 06 at 18:50   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by VXR
TBH, in terms of removing heat, its sh1te. Sits over the top of the rad so the turbo heat comes up and back under the bonnet, doesn't get a chance to go forward up and out.
There's a vacuum effect that will reduce the air pressure under the bonnet though, which technically should induce more cold air through the front of the car.

The hot air will escape backwards if there's enough airflow in there, which that vent should help promote.

Would need proper testing to verify what I've just said though. The above is only theory.
ed
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Registered: 10th Sep 03
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4th Dec 06 at 19:19   View User's Profile U2U Member Reply With Quote

Steve's isn't fibreglass. It's crafted from steel into an original bonnet.
Andy Stocker
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Registered: 31st Aug 00
Location: Herts Drives: Porsche 911
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5th Dec 06 at 06:42   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Ant
yeah was thinking of bulkhead removal I like what beardy has done on his white one, though is does seem a lot of hastle and Iv just bought an air filter to suit my short trumpets!

Heater matrix is due for removal cant see how it would make much differance though as it sits very low.

What is andys vent? a couple of those might do the trick


Was a custom jobbie, closer pics in garage if you wanna look

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