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Ok i installed the aftermarket boost gauge in stock position. As i read from this ARTICLE and its all said and one, working good. But one question when im running at idle its at -20 is that normal. And when I run it ranges from 4-6 psi. Take in consideration o have the omori 46mm.
 

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B3A5T said:
Ok i installed the aftermarket boost gauge in stock position. As i read from this ARTICLE and its all said and one, working good. But one question when im running at idle its at -20 is that normal. And when I run it ranges from 4-6 psi. Take in consideration o have the omori 46mm.
Normal engine vacuum at idle/cruise is ~ 18-20 in/hg.

What scale is your calibrated in? 20 in/hg = 500 mm/hg.

If your gauge is calibraged in/hg, then you probably have a kink or a leak in the vac hose. If its calibrated mm/hg, then your right on.

bill
 
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