Howdy -

Looking to measure the boost pressure from the switchover valve on the firewall to ALDA... Could someone point me to the right link or give me a hint on how to measure it?! Mainly, what type guage should I buy and how do I splice the connection to the line?

Can I get a boost/vacuum guage (0 - 30psi) from NAPA with a plastic T-connector to splice into the lines?! Or do I need some other type of guage for that?!

I'm assuming I should measure the pressure BEFORE the valve and AFTER it - from what I've been reading I should see about 9-13 psi going into the ALDA. Please confirm...

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1987 Mercedes 300SDL; SOLD
1985 Mercedes 300D; SOLD
2006 Honda Pilot - wife's ride; 122K;
1995 Toyota Land Cruiser - 3X locked; 182K