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Gents,

A couple of questions I'm asking in preparation for my EBC installation:

(Background info: My car 1996 R33 S2 GTST stock turbo)

1) Currently a air line runs from one of the solenoid ports to a point down stream of the AFM (but before the turbo). Can this line stay as is?

2) Must the old solenoid be unplugged? I'm reading conflicting advice...

3) See attached - is this a good vacuum line to tap when running a vacuum line direct to the boost controller?

post-88766-0-34545000-1324273771_thumb.jpg

You need to get rid of the standard boost solenoid. Unplug it or what ever. Your objective is to fit your boost controller inbetween your hot pipe and your actuator.

I wouldn't use that. Its going to be using a boost source inside the TB. The best place to get your boost source is right infront of the turbo outlet on the hot pipe. You have boost reading almost directly from the turbo which will give your boost controller the quickest reading so it can respond and work quickly.

Edited by SargeRX8

1) The line that goes from factory solenoid to AFM pipe can stay, the factory solenoid, when unplugged, is shut anyway. Or you can shut it off. Or use it on atmo venting port of your new aftermarket BC solenoid - it reduces solenoid duty cycle.

2)Unplug it, otherwise you'd have two devices working in competition with each other and you have no control over one of them (factory one).

3)You can use this source, it's as good as any, but be aware of the fact that due to piping and IC core losses turbo will generate pressure that is 2-3 psi higher than you see at the spot marked on the attached pic. But the spot you marked has a benefit of giving you same exact boost reading your engine is seeing as opposed to outlet on comp cover.

  • 9 months later...

I have both, ebc and gauge.

I hardly ever look when boosting, i look at the ebc after cos it has a peak boost memory, so you can see what pressure it made.

So the Autometer gauge is now a waste of money and dash space.

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