What did you do to your NBS GMT800 Tahoe/Yukon Today?

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Tonyrodz

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What functions? You already have oil pressure and volts right? Most guys run boost and AFR and one more but you don’t have a need for those so I was curious.
I have those factory gauges, but I don't trust them. Just want something more reliable. I do have a boost gauge tho. Use that as vacuum? I was gonna use these on the GN to replace my black face ones.
 

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