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Home > General Chat > idea: air supply to rear subframe mounted radiator for charge cooler?

Sir Yun

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mainland europe near ze germans

29th Jul, 2009 at 08:59:39pm

Hi all.

weird idea..this is the grand idea so far:

BMW 16head GT 1752 turbo clutch mounted with side exit shorty exhaust (bike style). ergo the tunnel under the bottom is not used.

water to air charge cooler. fitted directly to the plenum. (add: that
would be under the bonnet where it belongs..NOT the rear)


but where to stuff the needed radiator?

I would wager a guess that a few heater matixes would suffice coolling wise. i would like to stuff a plenum in the rear subframe and use the now unused space of the tunnel to stuff in an air intake.

does anyone ever try and suck air from the bottom of the car? i know the sides are pretty useless for getting air.

Edited by Sir Yun on 30th Jul, 2009.

That sir, is not rust, it is the progressive mass reduction system

http://aseriesmodifications.wordpress.com/

andywaller

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29th Jul, 2009 at 09:12:50pm

I'm going to be putting air ducts in my diffuser to get air into my boot mounted radiator.

not got that far yet but the idea is there.

Mr Joshua

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29th Jul, 2009 at 09:15:07pm

That title make no sense when you consider the content of your post.

Own the day


joeybaby83

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29th Jul, 2009 at 10:55:24pm

OFF WITH HIS HEAD

"Turbo's make torque, and torque makes fun"

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1972-ANGUS

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sallys gap. garden of Ireland

30th Jul, 2009 at 12:41:57am




On 29th Jul, 2009 joeybaby83 said:
OFF WITH HIS HEAD



*Rofl!*


AWDmoke

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30th Jul, 2009 at 12:53:12am

A number of the guys with Starlet conversions run a radiator in the boot floor. An electric fan sucks the air from under the car & out through holes in the boot lid.

On 24th Dec, 2008 Nic said:
 eyh? im drubj but very confused##]#IU

best_stig

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30th Jul, 2009 at 01:59:31am

On 30th Jul, 2009 AWDmoke said:
A number of the guys with Starlet conversions run a radiator in the boot floor. An electric fan sucks the air from under the car & out through holes in the boot lid.


That could be good. Then get a bodykit around the car and create low pressure under the car. Suck the car onto the road lol.

In boost we trust

Ben H

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30th Jul, 2009 at 08:01:56am

Obviously if space is short then the chargcooler with radiators in the back is the obvious route and has been done by many in different cars.

I have been trying to think of a worse place to put an air intake than where you suggest. So far you win. Perhaps under the drivers seat would be worse, but at least it would be dry.

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wil_h

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30th Jul, 2009 at 08:10:46am

I think the post is confusing, and a few people have got the wrong end of the stick.

my take is that the air-intake proposed is for cooling to the heater matrix in the boot, rather than the fresh air for the engine. The mention of a plenum in the boot also seem erroneous.

As it goes, taking the air for the rads in the boot using the tunnel seems obvious, and should work better than using the sides of the car.

I would suggest using a thinner rad with a bigger surface area rather than the small thick heter matrix.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


AWDmoke

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Western Australia

30th Jul, 2009 at 08:23:29am




On 30th Jul, 2009 wil_h said:
I would suggest using a thinner rad with a bigger surface area rather than the small thick heter matrix.


Use an airconditioner condenser, either automotive or household type.
Cheap, light, the right size & shape, usually aluminium alloy.

On 24th Dec, 2008 Nic said:
 eyh? im drubj but very confused##]#IU

Mr Joshua

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30th Jul, 2009 at 09:21:35am




On 30th Jul, 2009 Ben H said:
I have been trying to think of a worse place to put an air intake than where you suggest. So far you win. Perhaps under the drivers seat would be worse, but at least it would be dry.

*Rofl!*

Own the day


Sir Yun

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mainland europe near ze germans

30th Jul, 2009 at 10:03:27pm


Picking up head..*tongue*

On 30th Jul, 2009 wil_h said:
I think the post is confusing, and a few people have got the wrong end of the stick.

my take is that the air-intake proposed is for cooling to the heater matrix in the boot, rather than the fresh air for the engine. The mention of a plenum in the boot also seem erroneous.
.


yep..

but rather than sticking the radiator in the boot i was thinking of a plenum with the rad in it fitted inside the rear subframe.

the idea that you can sort of ''ram air'' the lot.

i will look into AC condensers.. thanx for the heads up.

That sir, is not rust, it is the progressive mass reduction system

http://aseriesmodifications.wordpress.com/

1972-ANGUS

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sallys gap. garden of Ireland

30th Jul, 2009 at 10:09:30pm

do you mean intercooler rather than plenum?

James_H

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Auckland, New Zealand

30th Jul, 2009 at 10:11:14pm

I think its more meant to mean a cowling around the radiator to ensure the full flow from the intake goes through the rad?

Maybe...

1972-ANGUS

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sallys gap. garden of Ireland

30th Jul, 2009 at 10:24:03pm


On 30th Jul, 2009 James_H said:
I think its more meant to mean a cowling around the radiator to ensure the full flow from the intake goes through the rad?

Maybe...



HHHMMMM!!

Maybe.... indeed

The plot thickens....

Would a front mounted rad do just that?

Sir Yun

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mainland europe near ze germans

30th Jul, 2009 at 10:25:49pm

jeez.. I must have been on something when I wrote this.

what james_h means .

plenum is just a fancy name for a box.

I need my boot for ..well being a boot.

it is not a drag toy.

That sir, is not rust, it is the progressive mass reduction system

http://aseriesmodifications.wordpress.com/

Rob H

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The West Country

30th Jul, 2009 at 10:49:20pm

I thought a plenum was the opposite of a vacuum.

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GaryOS

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Dublin, Ireland

30th Jul, 2009 at 11:04:52pm

On 30th Jul, 2009 Rob H said:
I thought a plenum was the opposite of a vacuum.


Not really. A vacuum is a volume free of matter. A plenum is just a volume of above atmospheric pressure. The opposite of a vacum would be a volume which contains all matter.


*head explodes*

On 12th Nov, 2009 Paul S said:
I think Gary OS has taken over my role as the forum smart arse *happy*


On 30th Apr, 2010 Rod S said:
Gary's description is best

wil_h

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Betwix Harrogate and York

31st Jul, 2009 at 08:52:26am

As long as you're not planning on taking the air for the engine from under the car, I don't se aproblem then.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


Mr Joshua

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Luton Bedfordshire

31st Jul, 2009 at 09:24:06am

Get out! I can tolerate some of the sience speek on here but now you've gone too far *Punch*


On 30th Jul, 2009 GaryOS said:
On 30th Jul, 2009 Rob H said:
I thought a plenum was the opposite of a vacuum.


Not really. A vacuum is a volume free of matter. A plenum is just a volume of above atmospheric pressure. The opposite of a vacum would be a volume which contains all matter.


*head explodes*

Own the day


GaryOS

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Formally spanner181187

Dublin, Ireland

31st Jul, 2009 at 09:26:56am

haha, I get that reaction surprisingly regularly


On 31st Jul, 2009 Mr Joshua said:
Get out! I can tolerate some of the sience speek on here but now you've gone too far *Punch*


On 30th Jul, 2009 GaryOS said:
On 30th Jul, 2009 Rob H said:
I thought a plenum was the opposite of a vacuum.


Not really. A vacuum is a volume free of matter. A plenum is just a volume of above atmospheric pressure. The opposite of a vacum would be a volume which contains all matter.


*head explodes*

On 12th Nov, 2009 Paul S said:
I think Gary OS has taken over my role as the forum smart arse *happy*


On 30th Apr, 2010 Rod S said:
Gary's description is best
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