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Old 07-15-2009, 01:01 AM   #1
Scooby Specialist
Member#: 144244
Join Date: Mar 2007
Chapter/Region: SWIC
Location: Albuquerque
2006 WRB STi

Default is an all aluminum radiator better?

I will be replacing my second radiator within a year on my 2002 wrx. the first one cracked on the top plastic piece and was not repairable. I just had some stuff done to fix the a/c and they say there is a crack in this radiator too. I want to find something that may be a little more reliable if possible. will an aluminum radiator be better for me. i have a stock 2.0l w/vf39 running e85. any input will be greatly appreciated. suggestions?
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Old 07-15-2009, 02:03 AM   #2
Scooby Specialist
Member#: 26770
Join Date: Oct 2002
Chapter/Region: South East
Location: Tampa
'02 WRX
midnight black


Seems only arm burns when touching the bare aluminum and marginally higher maintance (link for tech. article, I don't know this business):
http://www.radiator.com/articles/alumrads.html .

This link and 2 others I found said larger diameter tubes are best for surface area heat.
1 1/2" aluminum tubes.

I'm doing some planning too (although still on first rad. still).
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Old 07-15-2009, 02:05 AM   #3
Scooby Specialist
Member#: 156973
Join Date: Aug 2007
Chapter/Region: International
Location: Adelaide, Australia
2002 ADM WRX STi
STi Black/Blue


There is another thread with info in it regarding the plastic radiator in this very sub forum, around 10 headings down. A little searching goes a long way.


P.S. That thread is HERE.
wrxsti.l is offline  
Old 07-15-2009, 03:59 AM   #4
Scooby Specialist
Member#: 121459
Join Date: Jul 2006
Chapter/Region: BAIC
Location: San Francisco, CA
2002 WRX


I did a LOT of research when my OEM plastic radiator bit the dust. I ended up settling on a GMS (Gimmick Motorsports) All aluminum radiator. Everything on this radiator is top notch, fit & finish in the car is excellent as well. Plus, it's only like 50 bucks more than an oem replacement or something. Totally worth it...
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Old 07-15-2009, 07:35 PM   #5
Scooby Specialist
Member#: 191557
Join Date: Oct 2008
Chapter/Region: TXIC
Location: Rockwall-East DFW
2004 WRX Wagon
WRB not so minty fresh


Originally Posted by wrxsti.l View Post
There is another thread with info in it regarding the plastic radiator in this very sub forum, around 10 headings down. A little searching goes a long way.
P.S. That thread is HERE.
Be sure to read post #16... this was the very first mod I did to my '04

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Old 07-15-2009, 11:02 PM   #6
Big Ron
Member#: 18062
Join Date: Apr 2002
Chapter/Region: MAIC
Location: I can save you a ton of cash
on car parts so PM
me b4 j00 buy


Sticky threads.....READ them.
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