DIY: Over the radiator intercooler install - Page 3 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 02-09-2012, 06:48 PM   #41
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Quote:
Originally Posted by curly View Post
This is why my 2" pipes were smashed. Probably not quite needed, but might be with your 2.5" pipes.

hood relief reference:
Yea, I noticed that in one of your earlier pictures. I really want to avoid smashing the pipes obviously for aesthetic reasons. I guess I won't know until I start cutting the inner part of the hood and go from there. Bah, the butterflies.
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Old 02-09-2012, 07:19 PM   #42
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It's not too hard to cut, and if you try to follow some of the lines and holes already in the hood bracing, you can easily copy a cutout from one side to the next. Figure out which side needs more clearance, then make that same cutout on both sides. I wish I had some pictures before the above pic, it wasn't as pretty. You can see the oval I used at the bottom of the cut.
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Old 02-09-2012, 07:44 PM   #43
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Yea, I'm not as worried about the cutting as the clearance issue I may potentially have for the outer shell of the hood. I hope it doesn't hit after cutting out the inside.
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Old 02-10-2012, 12:25 AM   #44
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So I cleaned everything up and ran the car today. Looks like that 90 degree elbow isnt up to the job. Buckles under vacuum. So you think a 4 ply 90 degree coupler like the HPS can handle it or should I make the 90 out of aluminum?
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Old 02-10-2012, 12:42 AM   #45
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I had a 135* elbow that collapsed in vacuum. It's not an issue unless it's collapsing so much as to choke the engine.
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Old 02-10-2012, 01:20 AM   #46
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Yea it seems it collapses in a big way! Car idles funny.
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Old 02-10-2012, 03:37 PM   #47
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I'm just going to do this right and make that 90 in aluminum.
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Old 02-10-2012, 04:18 PM   #48
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A 2" pipe won't need to be smashed, at least on the driver side. Mine is run the same way and it closes fine, all it takes is a small cut at the top of the hood.

I still have AC though, so I had to run the coldside piping underneath. This has the added benefit of allowing you to run larger piping if you so choose.

This RSX intake pipe actually worked perfect, just have to cut a bit off the front of the pipe and close up one hole:

http://cgi.ebay.com/ws/eBayISAPI.dll...E:L:OC:US:1123

I used the larger port on the side to connect the other air tube that normally goes to the crossover tube. works like a charm, and it places the other end in the perfect place for connecting the rest of the system.
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Old 02-13-2012, 02:07 AM   #49
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I used 2.5" aluminum piping. Moved rad down 1" spaced it back 1/2" cut the hood, rebuilt the core support and added hood pins. its cool!





Attached Thumbnails
DIY: Over the radiator intercooler install-icpiping003.jpg   DIY: Over the radiator intercooler install-icpiping005.jpg   DIY: Over the radiator intercooler install-icpiping004.jpg  
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Old 02-16-2012, 04:50 PM   #50
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^^any pics of the hood down with the pins? ps i always liked welded pieces over couplers
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Old 09-29-2015, 09:52 AM   #51
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Total thread revival, but I think this is my next move.

1. OP using 2.5" or 2" pipes? Link wont work anymore for obvious reasons.
2. How's everyone who's done this rate the benefits to the aggravations of the IC? Non-track car btw, street/autox.

I'm at 8psi on band-aids, eventually MS when I get the money. Just trying to see if it's worth doing. My ideal order would be MS, then IC, but money/wanting a winter project is a driver to doing the IC.
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