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05-22-2005, 01:34 AM
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#1 |
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Senior Member
Join Date: Jan 2003
Location: Bay Area, Northern California
Posts: 1,344
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Vacuum guage ?
How useful and accurate is the vacuum guage option for these trucks. For those that have them, where is it connected and what are you monitoring with it. If you had a choice between a clock and vacuum guage in that spot what would you prefer?
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03 Tahoe 72 GMC Super Custom 2500 Custom Camper, my reliable workhorse. Dual gauged tanks, dual battery trays. |
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05-22-2005, 07:22 AM
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#2 |
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Registered User
Join Date: Jun 2002
Location: central pa
Posts: 1,525
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I have been running after market vacuum gauges since I got the truck in '82. It shows you how well your engine is running. To get the best fuel economy keeping your foot on the pedal just enough to keep your speed but get the highest vacuum you can. It can show bad valves, bad timming, blocked exhaust and a few more things. I hook mine up to the full manifold port on the carb.
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72 longhorn c30 502BB/th400/fact air/4.11rear/ custom camper 72 bug(the better half's) under reconstruction 2009 HHR aqua blue 71 GMC k20 350/sm465 2009 Chevy hd3500 6.6 Victory Red crew cab dually Dave & Jeanne |
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Linear Mode
