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Where should I tap my boost guage into???

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Old 01-04-02, 06:18 AM
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Rotary Freak

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Where should I tap my boost guage into???

Just got a Boost guage and a Voltmeter guage. Now I have to find a place to tap the boost guage into the intake. Where is the stock boost guage tapped into??? I was thinking of maybe having one boost guage behind the throttle plate and the other in front of the throttle plate - this should tell me how well my BOV is working, maybe, but I have no idea. Where should I tap it into???

The voltmeter I was thinking of mayby reading it off of the fuel pump since it would be cool to control my mpg on the highway, and still get a 14v reafing when i give it a little gas, what do you all think??
Old 01-04-02, 06:25 AM
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Greek Power

 
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The stock boost gauge is measuring voltage coming off the boost sensor, which plugs in right after the AFM. A good place to splice into the intake is the little tube the leads to the boost sensor (small diameter, easy to do).
A voltmeter will be best used to read the O2 voltage (A/F), or the water temp, since these two are the most essential reading for a turbo rotary....
Old 01-04-02, 06:28 AM
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Put a tee fitting in the vacuum line going to the boost sensor. Works for me.
Old 01-04-02, 06:39 AM
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I have an a/f guage already, and I dono about the voltmeter going to the water temp. My autometer voltmeter only reads from 8-18v.
Old 01-04-02, 06:58 AM
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Originally posted by SaabGuy
I have an a/f guage already, and I dono about the voltmeter going to the water temp. My autometer voltmeter only reads from 8-18v.
OK then, A/F you got it covered. The water temperature is measured by a meter that outputs 1,5-4,5 volts, therefor your voltmeter wont be able to register it....You probably need a voltmeter with a variable resistance input (same like I got ). Only thing that registers in this area of voltage (5V-15V) is the battery, the fuel pump, the injectors, errmmmmm, dont know what else...
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