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Scion tC 1G Forced Induction Turbo and supercharger applications...

Boost Gauge

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Old Jun 21, 2008 | 12:19 AM
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Default Boost Gauge

Not getting what I need in general chat....

Where EXACTLY do I need to hook the sender-line for the boost gauge on a typical turbo system?

I've been told any vacuum line...this sounds wrong to me....any help will be appreciated!

--Paul
Old Jun 21, 2008 | 12:33 AM
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Ther is more than one way to hook it up but dezod recomends taking the vac line that runs from the throtle body. this is the way i did it and it works great but keep in mind that it is not the only way to do it. Dezod only recomends it becouse they beleave that it is more responsive this way (as far as bov is concerned)and draws a better vac reading. Ill get a pic for you if no one els does.
Old Jun 21, 2008 | 12:37 AM
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yes, please!
Old Jun 21, 2008 | 12:40 AM
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alright give me 20-30 min
Old Jun 21, 2008 | 12:57 AM
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interested too! which one is that? :
Old Jun 21, 2008 | 01:01 AM
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lol just a sec
Old Jun 21, 2008 | 01:05 AM
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this is the line going to the throttle body with my tee fitting for my boost gauge.



and this is wher the other end of it is, if you follow the line coming from under this sensor it will lead you to the TB. I beleave you want to tap this line as close to the TB as close as possible for the most accurate reading. hope this helps
Old Jun 21, 2008 | 01:11 AM
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ace did it a different way which i think is the best if you are going to use a vac block.
Old Jun 21, 2008 | 01:13 AM
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come on ace show yours off
Old Jun 21, 2008 | 01:27 AM
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ok here's mine but I was just curious about which vacuum source it most accurate.

My vacuum source is where that oem hollow tube is originally at


tap to the driver's side Vac line
Old Jun 21, 2008 | 01:50 AM
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I dont really know personally which is best but i just think its easier to do it the way you did it ace just because you have a place to mount the vac block.
Old Jun 21, 2008 | 11:24 AM
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Thanks for all the help!
Old Jun 21, 2008 | 11:27 AM
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any time
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