Using a 1999 head and Intake on a 1995 - Miata Turbo Forum - Boost cars, acquire cats.

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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 09-13-2007, 02:34 PM   #1
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Join Date: Apr 2007
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Default Using a 1999 head and Intake on a 1995

Has anyone done this?

I'm looking for an option on how to control the Butterflys for the Intake system. I have a MSD RPM Window Switch?
Does anyone have a Diagram of how this was Plumbed from the Factory,
It looks like there was a Vaccum source to the Solenoid then, thru to the Butterfly control (for the Variable Volume Plenum system). In stock configuration, the Solenoid was controlled by the Stock computer (correct) So I should in there be able to contorl the Solenoid the the MSD window Switch (Driven of the Tach lead or Leads) then set the RMP range I want the system to Open the butterflies to Increase the Plenum Volume.

Does this sound correct"
Do I need a 1 way Valve to prevent the Butterflys pushinf shut under boost?

Any Input would be great....

ATM I have a bunch of parts on the Bench but nothing Installed.

How would this work with COP?

Braile08 is offline   Reply With Quote
Old 09-13-2007, 03:51 PM   #2
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Join Date: Oct 2005
Location: Atlanta GA
Posts: 335
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Porting the 99 head at the moment.
Someone please let us know before I use IRTB's with 99 head.

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