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Hks Evc Iii Installation

brother_david
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brother_david Rising Star

brother_david

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I recently received my 1994 R33 GTS-t, it got 5Zigen exhaust-system, HKS induction kit, apexi boostgauge (unfortunetly it leaks, to be replaced) nismo adj. suspension etc. etc.

Its still winter here with ALOT of snow everywhere, hopefully spring will hit in 1-2 weeks, so meanwhile im installing my HKS EVC III (3).

Now, my 2 questions are:

1. One of the vacuum-hoses from the solenoid is supposed to be going directly to the intake, and according to the installation-manual NOT to the same hose as the Fuel pressure regulator, UNLESS it specifically said to do.

Now my problem is that i've heared that the same goes for a boostgauge, "NOT to the same hose as the Fuel pressure regulator, UNLESS it specifically said to do", but my boostgauge is connected to the same hose as the FPR, and im wondering if that's right, and if im supposed to be using the same hose for the solenoid?

2. Another one of the hoses from the solenoid is supposed to be going to the turbo compressor-side or to the pressure-pipes BEFORE the intercooler.

My problem here is that as far as i can see it doesnt have an appropriate vacuum-nipple on the turbo, or the piping before the IC, altough there is one close to the IC on the pipe from the IC to the intake, is this "to late" on the piping, or can i use this nipple?

Hoping you can help me with these 2 problems!

Cheers!

-David

Edited by brother_david
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BHDave Grand Master

BHDave

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1) You can tee the boost pressure signal into the line for your stock boost gauge. I think it is a 3mm hose and there is a nipple on the back of the head for it. I also run my aftermarket boost gauge off the fpr line, though i wouldn't want to start running multiple things off it. Some don't like it, some do. The good thing about having your boost gauge on it is it is really obvious if you have blown the hose off as you have no vacuum at idle showing on the gauge.

2) The pressure inlet to the solenoid that you have mentioned will be fine. If it doesn't work right then the easiest way is to get a nipple brazed into the compressor outlet pipe.

Edited by BHDave

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