1979-1993 & 94 Conv [Subscribe to Daily Digest] |
I have some concrete measurments to report.
At idle with the check valve flowing to the manifold, I was reading 5 inches of mercury with the guage connected at the valve cover.
With the check valve turned the other direction I read no vacuum but once the turbo started boosting I started reading pressure on the guage. I only let it get to 5 psi before backing off.
posted by 216.23.59...
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