TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

where is my map vaccuum?

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Old Oct 13, 2007 | 01:43 PM
  #1  
blackdemon89ta's Avatar
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where is my map vaccuum?

i noticed me map vaccuum hose is missing. so where do i find the hose? i can't find anything laying around.
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Old Oct 13, 2007 | 03:26 PM
  #2  
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From: OC CA
Car: 75 Beast
Engine: 383 +EBL Flash
Transmission: 700R4
Axle/Gears: 4.11 with 33"
Re: where is my map vaccuum?

1/4" 30R7 Fuel line works well

//RF
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Old Oct 15, 2007 | 04:11 PM
  #3  
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Re: where is my map vaccuum?

umm thanks but that doesn't tell me where it is.
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Old Oct 15, 2007 | 05:20 PM
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: where is my map vaccuum?

The MAP line goes from the bottom fitting on the MAP sensor, to the fitting in the back of the TBI unit. This fitting is located between the fuel inlet/outlet's.

RBob.
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Old Oct 17, 2007 | 04:08 AM
  #5  
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Re: where is my map vaccuum?

ok cool i found that between the fuel lines. but how does it hook up to the sensor?
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Old Oct 17, 2007 | 08:23 AM
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: where is my map vaccuum?

Typically the connection uses a piece of the skinny hard plastic vacuum line. As RF posted some 1/4" fuel line will work. It is a tad on the large side which will filter or lag the signal. But it works.

RBob.
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