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Author: Subject: Rear diffuser
Sierra

posted on 27/11/12 at 11:34 AM Reply With Quote
Rear diffuser

I'm after a rear diffuser for my tiger Avon, what are people's thoughts on the lotus Elise s2
http://www.purelotus.co.uk/prod_desc.php?product=48

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blakep82

posted on 27/11/12 at 11:46 AM Reply With Quote
well, its a different car...?





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loggyboy

posted on 27/11/12 at 11:50 AM Reply With Quote
I think you know my view on these!
So good they even go well on a Nova!
Didnt realise you could get a GRP version, the standard lotus ones are Aluminium.
I plan on fitting one to the Striker post IVA.

[Edited on 27-11-12 by loggyboy]





Mistral Motorsport

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Sierra

posted on 27/11/12 at 11:58 AM Reply With Quote
I know it's a different car but I don't think there are any made for the Avon. All the ones I've seen for kit cars look a bit odd I think and this one looks good in my opinion, hopefully by it being GRP it will flex into shape to be mounted
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blakep82

posted on 27/11/12 at 12:07 PM Reply With Quote
i suspect the amount of work needed to get it to fit will mean 1, it won't look the same as it does now, and money+time will be more than getting antoher one from a similar (ie another type of 7 manufacturer) kit car

what about this one?
http://www.plays-kool.co.uk/acatalog/Composite_Part.html

you can buy the strakes for it seperate, and works out slightly more expensive than the lotus s2 one, but will fit the back end of the car more closely (s2 has a wider and rounder bumper i'm sure)





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Sierra

posted on 27/11/12 at 12:16 PM Reply With Quote
I like that actually and didn't realise that you can buy extra fins
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deezee

posted on 27/11/12 at 12:24 PM Reply With Quote
These people sell em for kit cars.

Gillham Online - Haynes Roadster GRP Diffuser









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Sierra

posted on 27/11/12 at 12:42 PM Reply With Quote
Thanks for the info but not too keen on that one
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RK

posted on 27/11/12 at 02:28 PM Reply With Quote
I made one out of plastic sheet. It is held together by rivets and ally strips. A GRP one, a la Plays Kool is a better option, but mine cost next to nothing. They will all take a bit of imagination to attach them.

[Edited on 27/11/12 by RK]

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BangedupTiger

posted on 27/11/12 at 03:08 PM Reply With Quote
I made my own one, so perfect fit, total cost £16.


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Sierra

posted on 27/11/12 at 03:26 PM Reply With Quote
I wish I could make my own unfortunately I don't have the space or equipment
If anyone's kind enough to make me one I'll be willing to pay

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loggyboy

posted on 27/11/12 at 04:43 PM Reply With Quote
quote:
Originally posted by Sierra
I wish I could make my own unfortunately I don't have the space or equipment
If anyone's kind enough to make me one I'll be willing to pay


You only need a sheet of alloy, jigsaw, drill, rivet gun and some wood to use and a bender.

After looking on ebay at some non original alloy elise ones that go for £150 I was thinking the same thing.





Mistral Motorsport

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omega0684

posted on 27/11/12 at 05:01 PM Reply With Quote
Get in done in CARBON! you know you want to!







I love Pinto's, even if i did get mine from P&O!

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PAUL FISHER

posted on 27/11/12 at 06:32 PM Reply With Quote
Ive got the MK diffuser on my aries, I think it should fit the Tiger, some pictures on this thread.

http://www.locostbuilders.co.uk/viewthread.php?tid=172379

They are 1065mm wide by 730mm deep

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bi22le

posted on 27/11/12 at 06:53 PM Reply With Quote
Its on my winter to do list this year.

Ill be making mine from Ali plate.





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Sierra

posted on 27/11/12 at 06:58 PM Reply With Quote
The mk is nice, what price is it?
It doesn't look too difficult to make but I live in a flat and have the car in a friends small garage so really no room, plus by the time I buy all the equipment and Ali twice as I'm bound to mess it up first time and then get it powder coated black I won't be far off buying one made.
I'm liking the plays kool one best so far with an extra 2 fins unless the Elise one isn't too difficult to mod and fit.

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PAUL FISHER

posted on 27/11/12 at 07:03 PM Reply With Quote
The MK diffuser is around £150 + delivery
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BangedupTiger

posted on 27/11/12 at 07:26 PM Reply With Quote
quote:
Originally posted by Sierra
I wish I could make my own unfortunately I don't have the space or equipment
If anyone's kind enough to make me one I'll be willing to pay


Neither do I, £16 was the cost for the sheet metal, the cutting and the bending. I just needed to provide a cardboard template for them to follow.

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umgrybab

posted on 27/11/12 at 07:42 PM Reply With Quote
quote:
Originally posted by BangedupTiger
quote:
Originally posted by Sierra
I wish I could make my own unfortunately I don't have the space or equipment
If anyone's kind enough to make me one I'll be willing to pay


Neither do I, £16 was the cost for the sheet metal, the cutting and the bending. I just needed to provide a cardboard template for them to follow.


Is this meant to be a pair of jeans or a pair of tights? I mean, is it meant to work or just look good? Because with the single sharp bend creating a harsh diversion angle, the air steams will separate and it won't do anything.

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BangedupTiger

posted on 27/11/12 at 07:56 PM Reply With Quote
quote:
Originally posted by umgrybab
Is this meant to be a pair of jeans or a pair of tights? I mean, is it meant to work or just look good? Because with the single sharp bend creating a harsh diversion angle, the air steams will separate and it won't do anything.


It'll work. Even if its just in my head

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bi22le

posted on 27/11/12 at 11:16 PM Reply With Quote
If a rear diffuser actually works or not has been discussed here before. I will not be expecting my car to feel any different when i fit one.





Track days ARE the best thing since sliced bread, until I get a supercharger that is!

Please read my ring story:
http://www.locostbuilders.co.uk/forum/13/viewthread.php?tid=139152&page=1

Me doing a sub 56sec lap around Brands Indy. I need a geo set up! http://www.youtube.com/watch?v=EHksfvIGB3I

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RK

posted on 27/11/12 at 11:32 PM Reply With Quote
But it will work and feel different. I added a sump guard/undertray/splitter on the front, and panelled in under the rear of the car, and it is WAY more stable at speed. Seriously works, I hate to say!

Nah, nobody has discussed this before...

[Edited on 27/11/12 by RK]

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rick q

posted on 28/11/12 at 03:31 AM Reply With Quote
Built it yourself. Cheap as chips and not too difficult. I just dicked around with Masonite templates till it all seemed to fit around the various bibs and bobs under mine.

The airflow is definitely straight along the whole underside of the car now - a gearbox leak left a lovely trail to follow :-

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RK

posted on 28/11/12 at 01:20 PM Reply With Quote
You have to try to build one. It is ONE job that's fun, and if you screw it up, you can still drive your car.
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Sierra

posted on 28/11/12 at 03:23 PM Reply With Quote
Just a bit of info, I've received an email from plays kool saying that if 5 people were to buy there diffuser in a groupbuy they would throw in 2 strakes for free so a saving of around £30
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