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Old 09-07-2012, 02:33 AM   #1
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Default NA - largest Intercooler for "over rad" setup ?

Before you tell me to search, I have..ive spent a solid hour searching and looking at pics on this forum. and cant find want im looking for

for those with NAs and over the rad setups that go through the 2 holes in the rad support. How large are the ICs that youre using ? Im looking to make close to 250whp and beable to handle track use

Been looking at this one
cxracing.com: Turbo Intercooler 24"x11"x3", 3" Core: 18"x11"x3", 2.5" Inlet & Outlet One Side For RX7 V-Mount

But fear 24" width might be a little much. Keep in mind that I dont have AC so that should help make things alot easier
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Old 09-07-2012, 07:32 AM   #2
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The starion intercooler is THE perfect size (width) for those holes, if that helps.

If only it came with larger inlets, thicker core, and shiny.
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Old 09-07-2012, 10:24 AM   #3
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That's the CX intercooler I used for my set up:



To give you an idea of fitment, the inlet/outlets align closely to the rubber hood bumpers on core support,i.e. - the intercooler is nearly the width of the core support. I can't imagine you'd want/need anything much larger on a miata - it fits quite nicely.

My only complaint is it's a heavy POS. It will do the job and it was cheap, however, in the long term I'll probably have someone fab a 'cooler with sheet metal end tanks.

Here's my build for more info: https://www.miataturbo.net/build-thr...dy-mani-51374/

-Zach
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Old 09-07-2012, 10:25 AM   #4
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Also note, I went this route after using a Starion - I wouldn't bother with a Starion intercooler these days, though it is lighter (and probably more efficient).

-Zach
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Old 09-08-2012, 01:11 AM   #5
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Didnt notice thr weight of it, Jesus christ....25lbs...didnt know they made intercoolers out of lead lol
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Old 09-08-2012, 01:35 AM   #6
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Where you get those hoses?

Quote:
Originally Posted by thasac View Post
That's the CX intercooler I used for my set up:



To give you an idea of fitment, the inlet/outlets align closely to the rubber hood bumpers on core support,i.e. - the intercooler is nearly the width of the core support. I can't imagine you'd want/need anything much larger on a miata - it fits quite nicely.

My only complaint is it's a heavy POS. It will do the job and it was cheap, however, in the long term I'll probably have someone fab a 'cooler with sheet metal end tanks.

Here's my build for more info: https://www.miataturbo.net/build-thr...dy-mani-51374/

-Zach
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Old 09-08-2012, 12:39 PM   #7
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I havent had my front bumper cover off yet to really look. But would there be enough room to do something like a 27x6x3 IC with side inlet/outlets and do a few 90s to do an over the rad piping setups ?
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Old 09-08-2012, 12:46 PM   #8
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Ive tried that, with cut down 90* couplers, and they were still a little pinched. Not sure what size you listed, I'm horrible with intercooler sizes. But it's probably what I used, and like I said, pinched. And that was with a bunch of cutting too.
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Old 09-09-2012, 10:22 AM   #9
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Quote:
Originally Posted by IcantDo55 View Post
Where you get those hoses?
I looked through my receipts with no luck.

The set up is just 2 2" 'long leg' 90 degree couplers with a 30 degree 2" to 2.5" transition coupler (?... whatever the TB OD is). The 90 degree and 30 degree silicone couplers are held together with a Gates heat shrink 'clamp' of M-Carr (which why it looks like one continuous hose). I had 2" couplers welded to the intercooler for space reasons (the intercooler comes from CX with 2.5").

There's 5 clamps total including the gates heat shrunk one.
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Old 09-21-2012, 11:36 AM   #10
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sweet setup bro
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Old 10-24-2012, 04:25 PM   #11
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Considering ordering that intercooler tomorrow I gave the link to in the first post. Thought id bump this topic and see if anyone had any suggestions before I do
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