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Old 02-06-2007, 05:59 AM   #1
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Default intercooler for NA 1.6

what is a good sized intercooler for a 1.6 with greddy kit and computer? could you please give me the dimensions of the intercooler. i also have air conditioning and power steering on mine so that might change the size a bit... ???

cheers
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Old 02-06-2007, 10:14 AM   #2
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Yes, go ahead and run a search in this forum and over at M.net. There are a couple eBay intercoolers that're accepted as being a "good size" for the nose of a Miata, both with and without A/C.
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Old 02-06-2007, 03:47 PM   #3
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The short & wide horizontal coolers with offset I/O that make up most of the bottom-end of the fleaBay market are pretty popular. Mine for instance is about 28" wide overall, about 6" tall, and about 2.5" thick.

Here's an example: http://tinyurl.com/22982h

I don't recommend that particular one since it's only 2" inlet / outlet, but that's the general idea. Here are some relevant threads:

https://www.miataturbo.net/forums/sh...IY+Intercooler
https://www.miataturbo.net/forums/sh...IY+Intercooler

I'd also recommend that you check out Stripes' kit, here:
http://www.mx5projects.com/Greddy%20Intercooler.asp
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Old 02-06-2007, 03:49 PM   #4
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I'm member #00001 of the 18"x12"x3" ebay intercooler crew.
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Old 02-06-2007, 07:23 PM   #5
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mines somthing like 18x8x3 i honestly dont remember :P

on the shelf
http://jazz.sdsc.edu/photo/photo.php...s_DSCN2177.JPG
in the car, no bumper
http://jazz.sdsc.edu/photo/photo.php...s_100_0359.JPG
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Old 02-06-2007, 07:34 PM   #6
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I bought all my intercoolers through this guy:

http://www.cxracing.com/mm5/merchant...ry_Code=IC30CO


These intercoolers are actually cheaper now than when I bought them in bulk.
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Old 02-07-2007, 04:09 AM   #7
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What size inlet/outlets are best for the Greddy turbo kit? 2.5inch? or 2inch?
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Old 02-07-2007, 10:18 AM   #8
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There was a long thread that Corky was involved in on M.net not too long ago about the size of charge pipes. I think the conclusion was that 2" was plenty big enough for anything under ~300-350hp.
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Old 02-08-2007, 01:45 PM   #9
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Quote:
Originally Posted by JSE View Post
What size inlet/outlets are best for the Greddy turbo kit? 2.5inch? or 2inch?
Corky's probably right. And wither way, you're going to transition somewhere. The compressor outlet is 2", and the TB inlet is 2.5". I used 2" pipe down to the front-left corner, transitioned to 2.25", then to 2.5", and into the I/C. On the outlet side it.s 2.5" right into the throttle body.

For a 2" I/C it'd be the same, only with the transition on the cold side.
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Old 02-09-2007, 06:32 PM   #10
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Thanks guys. You hgave been really helpful.

How does 300x225x55 sound?
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Old 02-10-2007, 10:37 AM   #11
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Those are neat numbers. I particularly like "300," as it's a nice, round number. What're they for?
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Old 02-10-2007, 06:18 PM   #12
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Sorry I forgot that you Americans use a different measurement system to us The intercooler I'm looking at is 12x9x2 .... wil that be big enough or will it be too small for a turbo NA6?
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Old 02-11-2007, 05:52 AM   #13
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I started out with an HKS intercooler 5 years ago that was about 14x6x2 inches and it was plenty for 8psi.
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