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front air scoops
- Thread starter Jacob
- Start date
Any brake duct kits that I have seen for the 3.2 tend to be scoops that pick up airflow under the front A-arms and fire it into the centre of the disc eg. 9M sell a kit that does this. Alternativley you can tie wrap the 993 type air deflectors to the leading edge of the A-arms (Richard Bernau has these IIRC).
This doesn't actually answer your original question of where the ducts are available from, but I would guess www.pelicanparts.com in the US would be a place to start.
Jamie
sheep911uk
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Guest
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http://www.demon-tweeks.co.uk/
they seem to be called 'Bumper Mounted Brake Duct Inlet', but there is no picture.
Thought about them on my car, but decided that they were just a bit ugly, so fitted scoops/piping to the underside of part of the front suspension (the bit that goes horizontally from the body to the wheel - no, not the track rod ends !).
Guest
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BTW, what is up with the reference throughout the article to a "2.7 SC"? There was never a 2.7 SC just a 2.7/2.7S/3.0SC. This car is clearly a 2.7 as it does not have SC flares and runs 6x15 wheels on all four corners. If 911&Porsche World misses this fundamental stuff what else are they missing?
As for the article on Boxster brakes, reads like an Autofarm infomercial. This is a diservice to anyone who has spent a decent amount of time researching "real" brake upgrades. As for the price of £1900? Well, there is fool and his money parted every day. Of course this is nowhere near the outrageous price quoted for the "Autofarm RS" replicas from the last issue - £65k for 3.2 with refreshed suspension and brakes and lightweight RS pattern bumpers, HELLO, do the maths, Autofarm are laughing all the way to the bank. I really pity the poor soul who buys one for £65k.
RB
Andy Tims
New member
ORIGINAL: John Bellringer
Thought about them on my car, but decided that they were just a bit ugly, so fitted scoops/piping to the underside of part of the front suspension (the bit that goes horizontally from the body to the wheel - no, not the track rod ends !).
John
Pretty sure I thought about something similar myself. Any good?
The ones I nearly got had a "shoe" to collect the air & the ducting to channel it to the discs. I was worried that the shoes would get ripped off by speed bumps / pot holes etc. & that I couldn't be arsed the keep taking them off after each track day.
Guest
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ORIGINAL: Jamie Summers
Yeah I wondered about those myself as I wasn't convinced by the description in the article. In Wayne Dempsey's 101 Projects for 911 book those scoops are shown somewhere, but are described as air ducts to feed the wheel arch mounted oil cooler - sounds rather more likely to me - you would only have one on the LHS (as you look from the front), I didn't notice if there was also one fitted on teh RHS. That's not to say that someone enterprising couldn't fabricate suitable ducting etc to get the air to the brake discs, but it would probably require a fair bit of jiggery pokery (technical term !)
Any brake duct kits that I have seen for the 3.2 tend to be scoops that pick up airflow under the front A-arms and fire it into the centre of the disc eg. 9M sell a kit that does this. Alternativley you can tie wrap the 993 type air deflectors to the leading edge of the A-arms (Richard Bernau has these IIRC).
This doesn't actually answer your original question of where the ducts are available from, but I would guess www.pelicanparts.com in the US would be a place to start.
Jamie
I have under A-arm ducts to the centre of the hub with hub block off plates to direct the air thru the discs (rather than spilling the air thru the hubs). To duct air from the "scoop" shown in the photos in the article to the disc is convoluted and has clearance problems. I suspect it also has air flow limitations as the scoop is in an area of low pressure. Even for oil cooling the scoop is of marginal benefit and this assumes a radiator style cooler a la 3.2 rather than the loop cooler that is more likely the case for a 2.7 (which I assume the car in question actually is) which does not really benefit from increased air flow anyway. A much simpler and concealed option is to increase the size of the notch under the bumper (or add one to a pre-3.2) and seal the area between the spoiler and the cooler so all air flow goes thru the cooler rather than spilling out beneath the cooler.
HTH
Richard
FWIW, my car with no bumper notch (it has the wrong bumper) never overheats on track days.
Guest
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Thought that I had better fit it, what with all the extra power/heat that the engine produces.
In terms of the brake cooling ducts, I don't really know if they work better than the norm - I have the block off plates etc. on mine. A kit from 930 (sic) I believe - the company up north, that is.
So beware and it just shows that this forum is a usefull asset in gaining information and dont always believe the advertisers hype. I ordered all my kit from Pelican Parts and EBS racing and i can recommend them both
Jacob
New member
ORIGINAL: Richard Bernau
Yes 9MRacing seel the under A-arm kits that originate from Smart Racing in the US.
On track they certainly make a difference.
Do you have these ones fitted Richard?
I am thinking of having some kind of upgrade done before the season starts and I am not too sure which way to go
Guest
New member
You should note that you really need the hub block-off plate that Smart Racing sell so that all the air that is ducted in is not simply spilled thru the hub and instead flows thru the disc vanes for max cooling effect. 9M also has these I think.
Richard
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