V-mount intercooler installed - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 07-31-2009, 12:24 AM   #21
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Quote:
Originally Posted by ZX-Tex View Post
Elesjuan, as far as flow coming in the top, not sure what you mean there. Elaborate?
OOooh, I see. Without the hood installed I wasn't clear you weren't opening a hole in the hood. I still know nothing about that type of stuff, but it sounds like good solid theory.
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Old 07-31-2009, 12:32 AM   #22
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Yeah I think it will work, just wanted to be sure you had not seen something I overlooked. Basically I had this in mind when I decided to build this setup...
https://www.miataturbo.net/forum/t18189/
See Levnubhin's hood picture in post #69
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Old 07-31-2009, 12:48 AM   #23
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Yeah I remember that thread. Even though I have a spare hood, still can't bring myself taking a saw to it.. Nor could I decide if I wanted the carbontrix or Mini piece.

Good, good luck and hope it works really well for you!
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Old 07-31-2009, 12:51 AM   #24
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thinking outside the box. I like it, hope it works as good as it looks.
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Old 07-31-2009, 01:00 AM   #25
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If my fm hood ends up not working at extraction I'm going to fill the vents in the middle, and put a 22b-wrc extractor in the front of the hood...if I can find one.

molded into the fiberglass of course.


I wish i could get a miata hood without the hump.
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Old 07-31-2009, 01:21 AM   #26
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I agree. The hump gets in the way of a lot of ideas I would like to try otherwise.
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Old 07-31-2009, 02:07 PM   #27
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Very impressed with your fabrication ZX mate. I'd enlist your help with mine if there wasnt a sea between us
How long did it take to man-handle together btw?
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Old 07-31-2009, 02:26 PM   #28
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the only thing that bothers me is the reverse angle on the IC. But there's only so many places the air can exit so im sure it'll make its way through.
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Old 07-31-2009, 02:38 PM   #29
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Nice work. I bet sealing off the IC exit so it seals with the hood, and placing an extractor there will increase efficiency by one thousand percent. That'll help with the IC angle for sure.
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Old 07-31-2009, 02:59 PM   #30
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Quote:
Originally Posted by rrjwilson View Post
Very impressed with your fabrication ZX mate. I'd enlist your help with mine if there wasnt a sea between us
How long did it take to man-handle together btw?
Oh man, it took awhile. I would say I have 40-60 casual hours into just the v-mount setup. If I did it again it would go a lot faster since a lot of the time was spent on experimentation and design development. Plus I am including some of the time for the boxing in part.

Last edited by ZX-Tex; 07-31-2009 at 03:21 PM.
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Old 07-31-2009, 03:23 PM   #31
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Quote:
Originally Posted by Braineack View Post
the only thing that bothers me is the reverse angle on the IC. But there's only so many places the air can exit so im sure it'll make its way through.
Yeah I suppose it is possible that the flow through the radiator could create a venturi. But I think that will be 'overridden' by the pressure differential. If my IATs suffer, then I'll start measuring pressure differentials across the IC and radiator.
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Old 08-01-2009, 01:33 AM   #32
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OK initial report. Did some driving this evening and the flow through the intercooler is working based on the AITs. It cools to the outside air temp when not under boost. Coolant temps are great. I ran it as hard as I could on a twisty road and it did not get above 210F. It was about 95F outside.

One thing it does do, is the flow through the radiator is good enough, when the car is sitting still, that it is pulling air 'backwards' through the intercooler and heating it up (drawing hot hood air through the IC). I had always wondered about this with v-mount setups in general. The fix is easy though, just need some fans on the intercooler Either that or just do not worry about it. It is only a 'problem' when sitting still. Who knows, with the extractor hood it may be a non-issue since it may tend to pull cool air back through the extractor.

The Tial Q BOV is great. It opens fast and hard, sounds nice.
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Old 08-01-2009, 01:39 AM   #33
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Stellar build, man. Makes me wish I would have hacked the radiator support instead of the fenders.
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Old 08-01-2009, 03:01 AM   #34
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That looks great, I can't wait to get home, this winter I'm going to have too many projects.
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Old 08-03-2009, 05:16 AM   #35
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One way rubber flap vents behind the i/c ala shrouded Spal 11" twins?
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Old 08-03-2009, 10:40 AM   #36
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^^ Yeah I thought about that one too. Not sure about how to fabricate them though so they will be light enough to open up properly, but not get trashed by the flow (like a flag in the wind). Anyone got any ideas?

Depending on what happens with the extractor hood, since it has three rows of vents, I could also box off the front two so they are dedicated for the intercooler.
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Old 08-08-2009, 12:02 PM   #37
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Hello. I will try this to install the Intercooler as TDR. Lowering the Radiator.
Thanks a lot.

I was mad trying in a worse way.
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Old 08-08-2009, 12:20 PM   #38
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very clean setup i really like the plastic cover you made also.
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Old 08-13-2009, 12:25 PM   #39
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Update:
So I have been daily driving it for a couple of weeks now and it is working well. Coolant temps are rock steady, not even a hint of overheating, even in 100+ heat in boost. The AITs are great as long as the car is moving. If I sit at a light for awhile they start going up due to the previously mentioned radiator fan induced backflow through the IC. But again that is an easy fix. I just need to mount some cheap 7" fans to the underside of the IC and wire them in parallel with the radiator fans. Problem solved.

In short, so far it is looking very good. Track time coming up in about a month; that will be the real test.
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Old 08-13-2009, 12:41 PM   #40
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I'm curious: what are your average coolant temps when the car is warmed up?
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