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increasing Ross' air-to-water cooler efficiency

Posted: Mon Apr 23, 2001 1:39 am
by ssspoon@aol.com
Date: Sat, 21 Apr 2001 22:28:19 +1000
From: "Ross" <vecc@tpgi.com.au>
Subject: Standard RS intercooler performance



Hey Ross, yes there are a couple of things you can do. Where are you
Australia?
Have you ever checked out the Middleton Rally Team (MRT) website?

http://www.mrtrally.com.au/

They sell a replacement front radiator that's twice the size of the stock
one, and a replacement water pump with greater flow. Here's their
description of the two items from their main parts list which you can
download from the MRT website

1 Replacing the water pump with a specially rated high flow unit will improve
the cooling ability of the air to water intercooler. The colder
the air intake the more efficient the engine.

2 A larger air to water intercooler radiator is also a simple way to make the
car more efficient. Most noticeable on hot days. Remember
how well the car goes on cold nights! This is all alloy and much larger and
more efficient. A direct replacement part, fitted on the factory
mounts at the front of the normal radiator.

They do also sell a water spray kit, but if you already have an air-to-water
cooler, you should be ok with what you have unless you are running big boost
or boosting for a long time. If you are running big boost for a short time
like a drag race you can increase the efficiency to over 100% with the simple
trick for a short run by just throwing some crushed ice in your water. If
you really want to get down you can use something like dry ice in an acetone
bath to get the temp down to around minus 60 degrees. If the ambient temp is
very low you can actually get your charge temp so low atomization can become
a problem.

Now my questions for you since we unlucky Americans didn't get ANY
intercooler for our Liberty Turbo cars. I am researching an air-to-water
intercooler retrofit and there are two questions which remain unanswered.

1. If you have an electrical connector coming off the top of your
intercooler, what is its' purpose?

2. Does your windshield washer reservoir also serve as an intercooler water
reservoir?

Also, can you give me a contact for somebody selling some parts I need? My
preference is for pre owned stock Liberty parts first, new stock Liberty
parts second. Aftermarket and non Legacy parts I think I can get here, but
if I can I would like to try for;

1. the stock water pump
2. turbo to cooler and cooler to throttle body ducting
3. combo washer bottle intercooler water reservoir.

I'm not proud, I'm just thrifty (cheap, poor, you choose) Pre owned is my
first choice. Heck the doggone intercooler will be pre-owned, so I would
rather not spend a fortune to put the rest of the system together. But if
push comes to shove I'll go with new.

Here's another website that gives some very good info that might answer some
of your questions

http://www.autospeed.com/A_0090/P_1/article.html

Please give me feedback about the value of the above info and websites

Larry Witherspoon ssspoon@aol.com Torrance (Los Angeles) California



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increasing Ross' air-to-water cooler efficiency

Posted: Tue Apr 24, 2001 7:49 am
by Ross
Larry,

You might try Brookvale Spares in Sydney, phone 61 2 9938 5555, they are capable of getting a lot of second hand parts for our model Subarus. I think what they do is bring in a lot of 'front cuts' from Japan. Unfortunately, I am nowhere near them or MRT, as I live in North Queensland, some 2500km away from Sydney.

I cannot see an electrical connector on the top of my intercooler.
I do not believe my windshield washer reservoir has anything to do with the intercooler.
I have not yet looked at the websites you have suggested, but will let you know what I think as soon as I have.
Now, the questions. If I put crushed ice in the intercooler tank, will this overload the system with water or do I need to take some water out first? Also, will I have to wait for the ice to melt or will it flow in crushed form? What is acetone?
Cheers
Ross

----- Original Message -----
From: ssspoon@aol.com
To: BC-BFLegacyWorks@yahoogroups.com
Sent: Monday, 23 April 2001 3:30 PM
Subject: [BC-BFLegacyWorks] Re: increasing Ross' air-to-water cooler efficiency

Date: Sat, 21 Apr 2001 22:28:19 +1000
From: "Ross" < vecc@tpgi.com.au>
Subject: Standard RS intercooler performance




Hey Ross, yes there are a couple of things you can do. Where are you
Australia?
Have you ever checked out the Middleton Rally Team (MRT) website?

http://www.mrtrally.com.au/

They sell a replacement front radiator that's twice the size of the stock
one, and a replacement water pump with greater flow. Here's their
description of the two items from their main parts list which you can
download from the MRT website

1 Replacing the water pump with a specially rated high flow unit will improve
the cooling ability of the air to water intercooler. The colder
the air intake the more efficient the engine.

2 A larger air to water intercooler radiator is also a simple way to make the
car more efficient. Most noticeable on hot days. Remember
how well the car goes on cold nights! This is all alloy and much larger and
more efficient. A direct replacement part, fitted on the factory
mounts at the front of the normal radiator.

They do also sell a water spray kit, but if you already have an air-to-water
cooler, you should be ok with what you have unless you are running big boost
or boosting for a long time. If you are running big boost for a short time
like a drag race you can increase the efficiency to over 100% with the simple
trick for a short run by just throwing some crushed ice in your water. If
you really want to get down you can use something like dry ice in an acetone
bath to get the temp down to around minus 60 degrees. If the ambient temp is
very low you can actually get your charge temp so low atomization can become
a problem.

Now my questions for you since we unlucky Americans didn't get ANY
intercooler for our Liberty Turbo cars. I am researching an air-to-water
intercooler retrofit and there are two questions which remain unanswered.

1. If you have an electrical connector coming off the top of your
intercooler, what is its' purpose?

2. Does your windshield washer reservoir also serve as an intercooler water
reservoir?

Also, can you give me a contact for somebody selling some parts I need? My
preference is for pre owned stock Liberty parts first, new stock Liberty
parts second. Aftermarket and non Legacy parts I think I can get here, but
if I can I would like to try for;

1. the stock water pump
2. turbo to cooler and cooler to throttle body ducting
3. combo washer bottle intercooler water reservoir.

I'm not proud, I'm just thrifty (cheap, poor, you choose) Pre owned is my
first choice. Heck the doggone intercooler will be pre-owned, so I would
rather not spend a fortune to put the rest of the system together. But if
push comes to shove I'll go with new.

Here's another website that gives some very good info that might answer some
of your questions

http://www.autospeed.com/A_0090/P_1/article.html

Please give me feedback about the value of the above info and websites

Larry Witherspoon ssspoon@aol.com Torrance (Los Angeles) California


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