NA9 - Evaporative Emission Control
Note: my smog vacuum hose below to the dist can is in the wrong fitting at the manifold switch.
See http://www.nastyz28.com/~copo/images/AIR%20vacuum%20hose%20locations.jpg for proper locations.
Z28 NA9 Heat Shield - California State only. See NA9 hose diagrams in the Engine section.
I put one on my Norwood car to cure any gas percolation.
Heat shield for a big block car (new GM)
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