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  • VXR boost figures ??

    Does anyone know what the Astra VXR boost to once mapped with Phase 2 and 3.

    looking for Overboost and what they settle to

    thanks
    Astra Coupe Turbo CS4
    287.6bhp @ 5635 / 329.7lb ft @ 3580

  • #2
    My car reads 28 psi overboost then drops back to 16 psi on my boost gauge,not sure how good the thing reads. If u ring john he will no as he puts boost gauge on vxr when remapping.http://www.courtenaysport.co.uk/

    www.courtenaysport.co.uk/ For all your tuning needs

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    • #3
      drops quite abit then.
      Astra Coupe Turbo CS4
      287.6bhp @ 5635 / 329.7lb ft @ 3580

      Comment


      • #4
        Like dave said his guage might not be very accurite.

        My GSi used to boost to 1.5 bar and hold 1.2 bar that had a CS 2 and 265 bhp. was also running a VXR turbo unit on the GSi

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        • #5
          Dave what make of gauge is it ??

          anyone else got a boost gauge fitted to there VXR ??
          Astra Coupe Turbo CS4
          287.6bhp @ 5635 / 329.7lb ft @ 3580

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          • #6
            not sure what make his is but i know it was from Ebay. and it matches the dials on the dash.









































            Dave got his house from Ebay aswell but dont tell his mrs she wont like it.

            Private Joke.

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            • #7
              boost

              hi

              i have a boost gauge fitted and it is telling me that i am boosting 12 psi,
              mine is totally standard,it is from gaugeplace.com it has a smoked face when the ignition is turned off but as soon as you turn the key it lights up it looks great at night as it matches my dials.

              cheers
              nick.

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              • #8
                How do these wire up to then ?

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                • #9
                  Re: boost

                  Originally posted by vauxhalls
                  hi

                  i have a boost gauge fitted and it is telling me that i am boosting 12 psi,
                  mine is totally standard,it is from gaugeplace.com it has a smoked face when the ignition is turned off but as soon as you turn the key it lights up it looks great at night as it matches my dials.

                  cheers
                  nick.
                  Think thats the sameone i have auto gauge, smoked when off then same colour as car when on. The 12 psi is the std fig so that would be correct. As for fitting its just wired to ign from cig light and yes there is an ign feed if you look, i no the lighter its-self is live bit there is ign feed.

                  www.courtenaysport.co.uk/ For all your tuning needs

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                  • #10
                    Any pics??

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                    • #11
                      is standard boost 12 constant or is that overboost ??

                      still would like to know what phase 3 gives
                      Astra Coupe Turbo CS4
                      287.6bhp @ 5635 / 329.7lb ft @ 3580

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                      • #12
                        Thats 12 constant mine about 14-16 constant stage 2

                        www.courtenaysport.co.uk/ For all your tuning needs

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                        • #13
                          Dave you said yours peaked 28psi ??
                          Astra Coupe Turbo CS4
                          287.6bhp @ 5635 / 329.7lb ft @ 3580

                          Comment


                          • #14
                            Yes on over boost then comes back down .

                            www.courtenaysport.co.uk/ For all your tuning needs

                            Comment


                            • #15
                              so what does standard peak to, does anyone know
                              Astra Coupe Turbo CS4
                              287.6bhp @ 5635 / 329.7lb ft @ 3580

                              Comment

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