1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Radiator Recommendation ??

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Old Jul 15, 2005 | 09:43 PM
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Radiator Recommendation ??

I was wondering if it would be a good idea to replace the radiator in my 84 GSL-SE. It seems like it is running quite hot, I have the holley 600cfm carb running on a rebuilt 13b.

I was also wondering if strut towers make any difference are they worth the 160 bucks ??
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Old Jul 15, 2005 | 09:44 PM
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Also I have replaced the stock sway bars and coil springs with Racing Beat, and the struts and shocks are tokico.
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Old Jul 16, 2005 | 10:18 AM
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Stock replacement for Radiators.com. $129 shipped to the door.
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Old Jul 16, 2005 | 10:40 AM
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Originally Posted by John64
Stock replacement for Radiators.com. $129 shipped to the door.
This is where I got my replacement, nice piece but im sure i ended up paying a bundle more then $129 (I do live in Canada though)
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Old Jul 16, 2005 | 10:13 PM
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Thanks, but I was looking for an aftermarket radiator, something that would keep it cooler than stock.
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Old Jul 17, 2005 | 12:47 AM
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Originally Posted by thedonn007
I was wondering if it would be a good idea to replace the radiator in my 84 GSL-SE. It seems like it is running quite hot, I have the holley 600cfm carb running on a rebuilt 13b.
How hot do you mean? The stock radiator is adequate, even for turbo applications, provided everything is in good running order. Rod the radiator out and put a new OEM thermostat in. Also reduce the ratio of antifreeze to water. Try Redline Water Wetter as well.

I was also wondering if strut towers make any difference are they worth the 160 bucks ??
Yes if it's well made.
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Old Jul 17, 2005 | 02:52 AM
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an aluminum radiator for a VW scirocoo by giriffin..go to summit racing's website..should drop in. www.summitracing.com
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Old Jul 17, 2005 | 04:42 AM
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Before you blame the radiator, you might want to check the following....

Ignition timing (too far advanced will heat the engine, too far retarded will heat the exhaust.

Verify good exhaust flow (no clogged cats).

Make sure you are not running too rich or too lean.

Make sure that your thermostat is working correctly.

Make sure that your clutch fan is working properly.

Verify the temperature by sticking a small kitchen thermometer between the fins of the radiator (very carefully) to see exactly what temp your coolant is running at.

Might be a couple of things that I've missed, but this will give you a good starting point. Good luck!
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Old Jul 17, 2005 | 02:01 PM
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the radiator I got from radiators.com is actually a upgrade because it is a 2 core, I dunno if this helps you though. Like others have said maybe your looking for a aluminum radiator but thats $$$
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Old Jul 18, 2005 | 01:02 AM
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the aluminum one is about $225-$230 its a 2core light weight noice. w/e good luck.
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Old Jul 18, 2005 | 12:18 PM
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Originally Posted by EL5Letra
an aluminum radiator for a VW scirocoo by giriffin..go to summit racing's website..should drop in. www.summitracing.com
pix?
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Old Jul 19, 2005 | 10:27 AM
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With the thermometer in between the fins of the radiator, what should the temp be?
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Old Jul 19, 2005 | 12:36 PM
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I replaced my stock with one from Radiator Barn. It's a 3-row and I believe the stock was 2-row. It's keeps mine at about 1/4 to 1/3 on the gauge in 90 degree weather in city traffic.
It was about $130 shipped.
Todd
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Old Jul 19, 2005 | 05:29 PM
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http://store.summitracing.com/defaul...0&autoview=sku


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Old Jul 19, 2005 | 05:34 PM
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i have that griffen radiator.
I decided not to use it in my project if anyone wants to buy it.
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Old Jul 19, 2005 | 06:00 PM
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There is no need for an aluminum radiator for his set-up. A 3-row HE plus E-Fan will do just fine.
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Old Jul 19, 2005 | 06:47 PM
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yea no need, but they look real nice.
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Old Aug 3, 2005 | 12:52 AM
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I noticed that there are 2 Griffen's that are very similar exept that the tube size on the cheaper one is 1" and the more expensive is 1 1/4"

Here's the second one:

http://store.summitracing.com/partde...=KeywordSearch

Last edited by RotaryRevn; Aug 3, 2005 at 12:55 AM.
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Old Aug 3, 2005 | 11:52 PM
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Not pics of the radiator.. Pics of the installation.

I can always find a pic of a Mack truck radiator, Huge, aluminium, etc,,, but I'd never see it installed in an RX-7.
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Old Aug 4, 2005 | 12:42 AM
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i just put mines in but i have no way of posting teh pix!11
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Old Aug 4, 2005 | 05:53 PM
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Just attach them to the post.
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