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Stealthram Vacuum lines

Bristol

11-24-2004, 04:59 PM

Just finishing up the install of the HSR on my 1991 Z28 . Im down to the upper rad hose and vacuum lines. I bought this system used and looked at Holleys instructions as to what fittings are neede and where theay are tapped. Everything looks like it was done correctly. I have 4 fittings on the back of the plenum. 2 large and 2 small. 1 large for the brake booster, 1 large for the PCV valve to the valve cover. Great. 1 small for the AFPR and 1 small for the MAP sensor. Great.

PROBLEM:
Im left with 2 vacuum lines. 1 for the heater controls (vents) and 1 3 way valve thing the I believe has to do with cruise control. What do I do with them? Can I plumb the heater control to the 3 way valve and add a port? How do you guys do it? Maybe someon can make me a little diagram...
Thanks
Kris

Rice Killer87

11-24-2004, 05:42 PM

id try to plum them in w/ the MAP sensor or the APFR,and see if they work.

aklim

11-24-2004, 10:33 PM

I put the MAP alone. I drilled another hole for the AFPR and used hole for vacuum. The other 2 are for brake booster and IAT. The one at the bottom is for PCV.

Bristol

11-25-2004, 12:09 AM

So do you have 5 fittings then? My set up is like this. I have 2 large fittings and 2 small fittings at the rear of the plenum.
1 big one is brake booster
2 big one is for the breather
3 small one is for the AFPR
4 small one for MAP sensor

On the underside of the plenum I have the IAT mounted...just like on a TPI plenum.

Im thinking tapping another port in so Ill have 5 outlets on the back and IAT on the underside. Any thoughts??

Kris

aklim

11-25-2004, 02:02 AM

Bristol

11-25-2004, 02:01 PM

Thanks