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XFi 01-22-2008 04:37 PM

Ecomodding Smaller Radiator of Choice?
 
Hey all,

My radiator in the UnNamed Wagon has a 'dribble' coming out of the side plastic seam. I am going to replace it with a smaller one.

Looking around, for a smaller radiator...I have come across a few options.
The radiators from the Metros and Civics are about the smallest stock radiators that I have found. The Hondas are much more reasonably priced (New Aftermarket).

My question is: Should I go with a 'thinner' radiator to save on weight (less capacity) or a thicker radiator to promote more/easier flow of the coolant.

Here are a few of the sizes that are available:
13-3/4 X 13-15/16 X 11/16
13-3/4 X 13-15/16 X 15/16
13 3/4 x 13 3/4 x 1
13 11/16 x 13 3/4 x 1 1/4
even a 2" racing one is available

My gut tells me to go with the thinnest, but would this cause the water pump to 'work harder' and take more hp from the engine?

SVOboy 01-22-2008 04:39 PM

I'm not going to guess at the flow issues, but I will say that some older version of stick neon used a half radiator similar in size to the civic that can be picked up on ebay pretty cheaply.

Daox 01-22-2008 04:53 PM

I'm going to say go with the cheaper of the thicker ones. You'll have slightly more cooling capacity, and since your going with a smaller radiator that won't be a bad thing. I don't think 1 lb of aluminum is going to matter much. Also, I'd try to get one with plastic end tanks for weight, not an all aluminum design. Below is a comparison of a two stock Tercel radiators. From back to front: 93 manual, 88 automatic, 1990s civic radiator. I did a weight comparison between the three and the savings from the largest to the Civic radiator was only like 4 lbs with water in it.

http://www.tercelreference.com/terce..._compare_1.jpg


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