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Ma_R32-GTR

Changing from electric boost control solenoid to stock boost solenoid

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Hi there,

I am looking to go from the MAC electric boost control solenoid to stock boost solenoid. I managed to find an stock boost solenoid. All the guide says now to go from Stock to aftermarket electric & couldn't find anything that goes vice versa. sorry if this has been asked million times :( ... can I just remove the MAC & connect the 2 hoses in with the power connector ? Thanks!

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1 hour ago, Ma_R32-GTR said:

can I just remove the MAC & connect the 2 hoses in with the power connector ?

Maybe. It depends on how the MAC has been plumbed up.

The correct thing to do is to just make it like the vac hose diagram in the service manual. It's really clearly laid out.

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1 hour ago, GTSBoy said:

Maybe. It depends on how the MAC has been plumbed up.

The correct thing to do is to just make it like the vac hose diagram in the service manual. It's really clearly laid out.

Thanks Mate.. will have a look at it... any video guides that you have come across ?

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You won't be able to just swap them over as factory solenoid is normally closed and when opens vents it's air in front of turbos.

Mac valve when used on the twin turbo actuators will be plumbed in as normally open, directly feeding actuators, then pulses closed to raise boost level and vents the excess to atmosphere.

If you already have a Mac valve setup like mentioned above, you will just block the actuator boost signal if you put a standard normally closed solenoid on the lines.

Why do you even want to go from a Mac valve to the stock solenoid ? To go to factory boost ? If so and it's already plumbed in as a normally open solenoid to your actuators, just unplug the electrical connector and it will just run on actuator pressure.

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