4-Port Map SSV

Tuning discussion for all first generation Mazda RX-8 (2004-2008)
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assumingctrl
Posts: 6
Joined: December 19th, 2023, 6:16 am

4-Port Map SSV

Post by assumingctrl »

Noticed when looking at my current tunes, that it's showing no changes in the 'Intake Air Valve Control' when compared to the stock tune for my 4-Port manual RX8.

I then looked at the base map, and indeed the SSVs the same, which looks incorrect to me.

The SSV appears to be set to always open once the coolant is > 20 degrees?

Have attached a screenshot.

Screenshot 2025-11-24 161634.jpg
Screenshot 2025-11-24 161634.jpg (23.75 KiB) Viewed 130 times

For reference, the VDI is set to 5750RPM which I believe is the stock value for the 4-Port.

My ECU calibration is: N3H8EM00013S5F10

This has me worried about all of the values in the base map now... :shock:

Appreciate any input.
assumingctrl
Posts: 6
Joined: December 19th, 2023, 6:16 am

Re: 4-Port Map SSV

Post by assumingctrl »

Is there where I learn there is no SSV on the 4-Port? :D
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