Boost Leak test posted by coujo on June 11, 2016 at 06:25 PM
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Message going to be some leak down. Even on a tightly sealed system there is going to be some very minor leaks do to the nature of the machined tolerances of the parts involved. Mine drops from 5 psi as follows: 4 psi @ 15 seconds 3 psi @ 25 seconds 2 psi @ 40 seconds 1 psi @ 60 seconds 0 psi after about 90 seconds
Obviously you want to eliminate any larger leaks. However, the goal is not to seal the system air tight; but rather tight enough so that your turbos are easily capable of maintaining the 13-15 lbs of boost desired.