want to verify mech boost gauge readings...
sf5ktq at hotmail.com
Wed Jun 13 10:56:25 EDT 2001
finally got a vdo boost gauge hitched up. i wanted to bounce what it's
telling me off the list to see if i hooked it up right. i tee'd it into the
vac line that goes from the back of the manifold to behind the pass side
fender. i used the decel valve line @ the metal tee NEXT TO the send line
for the ecu (mechanic told me to not use the ecu line as he claimed it could
screw up the ecu signal).
the gauge reads 12-14 in. vaccum @ idle and max boost (that it makes right
now) is 1.2 bar on the dash = 5/6 psi on the vdo. at decel from full boost
it'll drop to -20ish "vac. is that right / in the ballpark?
i feel like it's rreading right. it makes sense that the engine is sucking
at idle. i ask bc my mechanic said it should read "0" at idle and boost/vac
is he nuts? or am i?
jim "gauges dont lie" rose
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