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Posted by DA-MAX (91 GXE) on September 23, 2002 at 14:40:07:
In Reply to: FWIW: Observations from WRX boost guage install. posted by gavski on September 23, 2002 at 13:55:50:
: I also used a factory rubber grommet in the firewall for the line. Taped the hose to a length of hanger, shoved it through a nail hole in the grommet and grabbed the end when passed throught the firewall. : Note, some folks have melted plastic vacuum line by mounting too close to hot turbo parts. A few guys just purchased SS covered vacuum line from the local auto parts store. Its relatively cheap and may solve all your problems.
: Wouldnt worry about the length of the hose giving good readings. I just installed a boost gauge in a WRX. The install kit provided about 10' of 1/8" hose and while I could have trimmed it by about 4', I just left it on while I test fit everything. It worked so well I just left it on -- fast response and steady on the readings. So you could just buy more vacuum hose.
: No worry about leaks onto under-the-dashboard electronics.