Lotus Elan

Alloy radiator

PostPost by: rdssdi » Sun Feb 19, 2006 1:34 am

I am about to install a re-cored (one extra row) radiator into my +2. Would
there be any advantage to replacing it with an aluminum radiator of the same
dimension?

One obvious advantage would be the ability to have threaded bungs added to
facilitate easy mounting of the new electric fan.

I would not want to make it larger as that would not allow the intake air
flex hose to enter the nose and attach to the air cleaner.

Bob
1969 Elan +2
rdssdi
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PostPost by: mackmotorsport at aol.com » Sun Feb 19, 2006 2:45 am

From what I understand,modern aluminum cores are designed to get rid of
significantly more heat than the older types.the fins are more efficient and the

tubes are shaped differently as well. One of my customers has a Griffin brand
aluminum rad in an XKE and it works great
Bill Mack
mackmotorsport at aol.com
 

PostPost by: "Clivey Boy" » Sun Feb 19, 2006 7:24 pm

Bob
I am just in the process of fitting a modern type aluminium cored radiator
into my sprint.I have been talking to the manufacturers who say that you
could get anything upto 30% improvment over the original.
I personally would not fit the smaller radiator as even when my radiator was
recored it still tended to overheat on long runs. (Usually when that
happens it is either a blocked radiator or too smaller a radiator)
The wider type radiators can cause a few minor fitting problems on the Plus
2 with regard to the air ducting but a few minor tweeks of brackets etc
usually sorts it out. I know of one fellow list member who has fitted one
successfully.
Clive

www.cliveyboy.com














From: ***@***.***
Reply-To: ***@***.***
To: ***@***.***
Subject: [LotusElan.net] Alloy radiator
Date: Sat, 18 Feb 2006 20:34:17 EST

I am about to install a re-cored (one extra row) radiator into my +2. Would
there be any advantage to replacing it with an aluminum radiator of the
same
dimension?

One obvious advantage would be the ability to have threaded bungs added to
facilitate easy mounting of the new electric fan.

I would not want to make it larger as that would not allow the intake air
flex hose to enter the nose and attach to the air cleaner.

Bob
1969 Elan +2




"Clivey Boy"
 

PostPost by: rdssdi » Sun Feb 19, 2006 9:23 pm

I would like to see a picture of the installed larger alloy radiator in a
+2. I thought the aluminum had a poorer heat dissipation than the original rads.

I ill take some measurements and see if griffin radiator will quote.

bob
rdssdi
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Joined: 30 Sep 2003

PostPost by: collins_dan » Mon Feb 20, 2006 2:22 pm

I put in a Dave Bean (Griffin) ally rad in my S4 this summer with a
thermal switch and life is great. I can now actually think about my
driving, not just managing the temp. Not sure the difference between
an S4 and +2 in the nose, but I was able to use the current mounting
brackets on the car and buy a piece of 12" 16 gauge sheet metal, cut
in half and bend to attach to rad. Fan fit on front. New rad much
thicker and wider than original, but was able to fit perfectly. Now
have an inline filler. Eliminated the hose to air cleaner in front
and stuck a K&N filter on the front of the air box, which fits great
and provides better air flow to the rad. Call Ken at Bean if you
have questions, he put the same ally rad in his elan. Dan


--- In ***@***.***, ***@***.***e:
I am about to install a re-cored (one extra row) radiator into my
+2. Would

there be any advantage to replacing it with an aluminum radiator
of the same

dimension?

One obvious advantage would be the ability to have threaded bungs
added to

facilitate easy mounting of the new electric fan.

I would not want to make it larger as that would not allow the
intake air

flex hose to enter the nose and attach to the air cleaner.

Bob
1969 Elan +2




User avatar
collins_dan
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PostPost by: elansprint71 » Mon Feb 20, 2006 2:33 pm

Clive,
Which rad did you go for? I'm considering TT's; I already have the
Cosworth swirl-pot (like the modified one that you do, but not
modified(!), we discussed this at Donington a couple of years ago); my 3
core "little rad" in the Sprint is not flowing well due to limescale and
despite a couple of Speedflushes, etc. it is still not right.
I was wondering if the TT rad will fit down in the nose, it would be out
of the way down there; not sure about pipe arrangements though.

Cheers,
Pete.


Clivey Boy wrote:

Bob
I am just in the process of fitting a modern type aluminium cored
radiator
into my sprint.I have been talking to the manufacturers who say that you
could get anything upto 30% improvment over the original.
I personally would not fit the smaller radiator as even when my
radiator was
recored it still tended to overheat on long runs. (Usually when that
happens it is either a blocked radiator or too smaller a radiator)
The wider type radiators can cause a few minor fitting problems on the
Plus
2 with regard to the air ducting but a few minor tweeks of brackets etc
usually sorts it out. I know of one fellow list member who has fitted one
successfully.
Clive

www.cliveyboy.com














From: ***@***.***
>Reply-To: ***@***.***
>To: ***@***.***
>Subject: [LotusElan.net] Alloy radiator
>Date: Sat, 18 Feb 2006 20:34:17 EST
>
>I am about to install a re-cored (one extra row) radiator into my +2.
Would
>there be any advantage to replacing it with an aluminum radiator of the
>same
>dimension?
>
>One obvious advantage would be the ability to have threaded bungs
added to
>facilitate easy mounting of the new electric fan.
>
>I would not want to make it larger as that would not allow the intake air
>flex hose to enter the nose and attach to the air cleaner.
>
>Bob
>1969 Elan +2
>
>
>
>










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PostPost by: "Clivey Boy" » Wed Feb 22, 2006 8:49 am

Pete
Tony Thompsons alloy radiators sit in the original position.I am not sure if
they could be positioned further forward or why you would need to. A few
mates who race have them in the original postion and their full race engines
stay cool. Tonys rads are top quailty and fairly reason on price.
I have a rebuilt engine and a new recored small radiator on my Sprint and it
overheats on long runs.
The original small radiator is just not upto the job. I am in the process of
fitting various radiators to my elan at the moment. I have an original full
width one which I am using to get an idea of size and fit in the engine bay
and then I intend to use a modern radiator (full width) with a custom built
mounting frame/cowl which I have just made.
Email me off line if you want to talk or want some pictures.
Clive



Clive,
Which rad did you go for? I'm considering TT's; I already have the
Cosworth swirl-pot (like the modified one that you do, but not
modified(!), we discussed this at Donington a couple of years ago); my 3
core "little rad" in the Sprint is not flowing well due to limescale and
despite a couple of Speedflushes, etc. it is still not right.
I was wondering if the TT rad will fit down in the nose, it would be out
of the way down there; not sure about pipe arrangements though.

Cheers,
Pete.


Clivey Boy wrote:

> Bob
> I am just in the process of fitting a modern type aluminium cored
> radiator
> into my sprint.I have been talking to the manufacturers who say that
you
> could get anything upto 30% improvment over the original.
> I personally would not fit the smaller radiator as even when my
> radiator was
> recored it still tended to overheat on long runs. (Usually when that
> happens it is either a blocked radiator or too smaller a radiator)
> The wider type radiators can cause a few minor fitting problems on the
> Plus
> 2 with regard to the air ducting but a few minor tweeks of brackets etc
> usually sorts it out. I know of one fellow list member who has fitted
one
> successfully.
> Clive
>
> www.cliveyboy.com
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> From: ***@***.***
> >Reply-To: ***@***.***
> >To: ***@***.***
> >Subject: [LotusElan.net] Alloy radiator
> >Date: Sat, 18 Feb 2006 20:34:17 EST
> >
> >I am about to install a re-cored (one extra row) radiator into my +2.
> Would
> >there be any advantage to replacing it with an aluminum radiator of the
> >same
> >dimension?
> >
> >One obvious advantage would be the ability to have threaded bungs
> added to
> >facilitate easy mounting of the new electric fan.
> >
> >I would not want to make it larger as that would not allow the intake
air
> >flex hose to enter the nose and attach to the air cleaner.
> >
> >Bob
> >1969 Elan +2
> >
> >
> >
> >
>
>
>
>
>
>
>
>
>
>
> SPONSORED LINKS
> Plus
>
<http://groups.yahoo.com/gads?t=ms&k=Plus&w1=Plus&w2=Sprint&w3=Devoted&w4=Impressions&c=4&s=52&.sig=0JmZMxFvZsC1_4q4AiO96A>
> Sprint
>
<http://groups.yahoo.com/gads?t=ms&k=Sprint&w1=Plus&w2=Sprint&w3=Devoted&w4=Impressions&c=4&s=52&.sig=fCbd1nSa8N0l5X1n3P7l4Q>
> Devoted
>
<http://groups.yahoo.com/gads?t=ms&k=Devoted&w1=Plus&w2=Sprint&w3=Devoted&w4=Impressions&c=4&s=52&.sig=coTGsjuoLJ86FK2pOfHHfQ>
>
> Impressions
>
<http://groups.yahoo.com/gads?t=ms&k=Impressions&w1=Plus&w2=Sprint&w3=Devoted&w4=Impressions&c=4&s=52&.sig=sv0upjHsFHKJ8fu5wUlVHw>
>
>
>
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>
> * To unsubscribe from this group, send an email to:
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>
> ------------------------------------------------------------------------
>


"Clivey Boy"
 

PostPost by: "Henk Meijer" » Wed Feb 22, 2006 9:51 am

Herewith the picture of an aluminium radiator with two fans from Peugeot 205 .

Henk.
Lotus Elan S4 '70
Porsche S4
BMW 1600 ti
BMW X3
"Henk Meijer"
 

PostPost by: "Jeff at tiscali&quo » Wed Feb 22, 2006 10:08 am

Hi Clive,
I would be interested in any photos you may have regarding the rad.
I dead read on the forum one time that a Scirroco rad fits. Also Demon
Tweeks sell a modified thermostat housing, that incorporates a fan
switch. I have priced this up and the cost of the housing, plus the fan
switch is cheaper than replacing my broken otter switch! Presumably a
modern rad would require a plastic header tank? The Spyder Zetec
conversion uses a Maestro one. Any thought on this?
Regards
Jeff 72 +2

Clivey Boy wrote:
The original small radiator is just not upto the job. I am in the
process of
fitting various radiators to my elan at the moment. I have an original
full
width one which I am using to get an idea of size and fit in the
engine bay
and then I intend to use a modern radiator (full width) with a custom
built
mounting frame/cowl which I have just made.
Email me off line if you want to talk or want some pictures.
Clive




"Jeff at tiscali&quo
 

PostPost by: "Clivey Boy" » Wed Feb 22, 2006 11:41 am

Jeff
People have fitted a lot of different radiators in elans, it really does
depend on how much effort and what sort of a finished product is OK for you.
I recently spent a whole weekend going through the technical drawings of a
radiator manufacturer looking for suitable candidates. All the Scirroco
radiators I have seen have the inlet/ outlets on the wrong side or wrong
orientations etc.
It is almost possible to fit any radiator into an Elan if you make up custom
brackets and run large amounts of pipe around the engine bay.
When I was looking for a radiator I deceided it needed to have the same pipe
orientation as the original so you did not need to run pipes from one side
of engine bay to the other across infront of the engine, also it meant it
would be easier, tidyer and possible to utilise the original hoses. And it
needed to at least look something like the original.
Out of the several hundred I looked at I literally found about 6 or 7 that
might be OK and when I checked them out further found I was down to a
couple as most interfered with various parts of the car.
The maestro radiator used on the Zetec is the mirror image of the
orientation you need so you would need to run the top hose down to the
bottom of the radiator and even worse the bottom hose upto the top of the
rad. I do not think it would be practical.
I will send you some photos in the next day or so.
Clive




From: "***@***.***" <***@***.***>
Reply-To: ***@***.***
To: ***@***.***
Subject: Re: [LotusElan.net] Alloy radiator
Date: Wed, 22 Feb 2006 10:05:24 +0000

Hi Clive,
I would be interested in any photos you may have regarding the rad.
I dead read on the forum one time that a Scirroco rad fits. Also Demon
Tweeks sell a modified thermostat housing, that incorporates a fan
switch. I have priced this up and the cost of the housing, plus the fan
switch is cheaper than replacing my broken otter switch! Presumably a
modern rad would require a plastic header tank? The Spyder Zetec
conversion uses a Maestro one. Any thought on this?
Regards
Jeff 72 +2

Clivey Boy wrote:
>
> The original small radiator is just not upto the job. I am in the
> process of
> fitting various radiators to my elan at the moment. I have an original
> full
> width one which I am using to get an idea of size and fit in the
> engine bay
> and then I intend to use a modern radiator (full width) with a custom
> built
> mounting frame/cowl which I have just made.
> Email me off line if you want to talk or want some pictures.
> Clive
>
>
>
>
"Clivey Boy"
 

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