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Setting Up Vct Switch On Rb25 (freq. Sw. From Jaycar)

3LGODZILA

By 3LGODZILA,
in Engines & Forced Induction

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badhairdave Proficient

badhairdave

Posted
Posted

If it's only pulling an amp i'll rip the extra relay out of my setup once i get around to setting the switch point and tidying everything up. I only just chucked it in half an hour ago and then it started raining again....

  • 6 months later...
Rolls Grand Master

Rolls

Posted
Posted

Old thread but I thought I'd put some extra advice in here for anyone searching, I used an eboost street to control my VCT, it has an RPM in wire and you can set it up to turn an aux relay on between 1500 and 5000rpm very easily.

Works a treat and the car makes an extra 15kw in the midrange with it enabled, you also need far less throttle driving around town to make the same power.

  • 1 year later...
89CAL Grand Master

89CAL

Posted
Posted (edited)

Why does it need to shut off at 5000 rpm?

Pretty sure pfc's dont shut it off..

Power FC's are the opposite. The setting is the RPM you want it to turn off.

The VCT is only needed in lower RPM.

This is how it works in simpe terms. Its not on at idle, I think it switches on at either a certain RPM (Which is low anyway, just above idle) or once certain conditions are met (like throttle position/load etc) But the adjustable setting with the Power FC is for when it will turn off

EDIT: Why was it necessary to dig up a thread from 2010 to point out a (wrong) fact?

Edited by 89CAL

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