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for those who have Boost Gauges where does your vac pressure sit at Idle Mine being 20 w/o ac 15 w/ ac can a gauge reading indicate a vac leak ? before you stick your head in the engine bay to pinpoint it?
 

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Re: Vac Pressure (deerok)

My vac. reading at idle ranges from 20-22. 22 usually shows when the car is fully warmed up. And yes a gauge can indicate a leak, if the vac. reading is not within normal readings then you know you have a problem.
 

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Re: (Bender)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>Bender</b> »</i></TD></TR><TR><TD CLASS="quote">what should peak boost be on a T5?</TD></TR></TABLE><p>My 05 T5 pulls at 13.5-14.0. Hard to tell at WOT, and it seems to vary by gears.<br>And this is with a VDO 25psi calibrated gauge from IPD.
 
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