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Too much vac?

Discussion in 'A3/S3 Forum (8L Chassis)' started by matt blowen, Jul 28, 2013.

  1. matt blowen
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    matt blowen Member

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    Been having problems with my engine so i decided to hook up a boost gauge i had lying around, any way started the car and the needle pointed straight down surely thats too much vac? ImageUploadedByTapatalk1375019473.446864.jpg
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  2. superkarl
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    superkarl MAN OF STEEL

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    Yes most cars seem to be around 20inhg
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  3. matt blowen
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    matt blowen Member

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    Thats what i was thinking, i must not have a boost leak
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  4. Grale1
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    Grale1 Member

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    I recently hooked up a boost gauge for the same reasons, and mine also stays on 30inhg, not sure what it means tho
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  5. badger5
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    badger5 RIP S3dave Site Sponsor

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    or a cheap ass gauge
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  6. matt blowen
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    matt blowen Member

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    I agree it is a cheapo gauge lol i used it on my impeza until i realised it was ****e so i bought a decent 1 for it but sadly the scoob has gone:-(
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  7. boost-addict
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    boost-addict Member

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    your car wouldnt be idling with nearly 50 hg of vac
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  8. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    Where have you plumbed it into?

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  9. matt blowen
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    matt blowen Member

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    I only tapped in to the vac pipe going to DV. I will be fitting a boost gauge soon (not the 1 i uploaded), should i plumb into the vac pipe coming off intake manifold ?
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  10. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    Yes... assuming you still have the N249 connected up then I believe the vacuum could be different due to the vacuum store....

    <tuffty/>
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  11. matt blowen
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    matt blowen Member

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