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#18 |
Super Moderator
Join Date: May 2007
Location: Billings, Montana
Posts: 1,034
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Well, different vacuum lines may see different amounts of boost pressure as well as different amounts of vacuum. You may be seeing excessive amounts of vacuum pressure because your line for your boost gauge may not be installed on an ideal vacuum line.
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1989 7MGTE R154 Targa Top White Package w/Blue Interior Driftmotion 57trim CT26, Upgraded Intercooler, 2.25" Hard Pipes, 3" Turbo Back Exhaust with Test Pipe, HKS VPC w/GM 3 bar MAP sensor, APEXi S-AFC, Walbro 255lph fuel pump, ProSport EVO Series Boost / Fuel Pressure / AFR gauges, Lotek a Pillar Gauge Pod, HKS Type 0 Turbo Timer, Eibach Lowering Springs, Tokico Illumina II TEMS struts, custom powder coated Motegi Racing TrakLite wheels |
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