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Vacuum At Idle


xr6turboman

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  • Donating Members
  • Member For: 16y 8m 9d
  • Gender: Male
  • Location: New Zealand, Palmerston North

So I've finally got around to installing my gauges boost/vacuum and air fuel and vacuum sits at 21 at idle and a mate reckons it should be sitting at 25 he's a mechanic so knows more than I do.. he said ask google but couldn'[t find any answers .. car makes about 15psi and has all nizpro gear fitted ...

Any help would be appreciated..

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  • Tampon inserted, Auto Acquired, next purchase a new handbag
  • Donating Members
  • Member For: 16y 9m 2d
  • Gender: Male
  • Location: Vic

I think mine sits around that, but on cold starts it's more like 10-15, so I think it would depend on idle and not a specific value.

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  • 3 weeks later...
  • Member
  • Member For: 21y 10m 13d
  • Gender: Male
  • Location: byron bay more underarm hair per square km

mate an engine at idle with no vaccum leaks should be around 20 inches of mercury.

hope it helps. :spoton:

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  • 2 months later...

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