1968 Z28 cowl plenum smog tubes - The Supercar Registry

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11-28-2010, 09:34 AM

jack hatch jack hatch is offline

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Re: 1968 Z28 cowl plenum smog tubes

I have a set of smog tubes that I acquired from Jerry MacNeish years ago. The passenger side tube is rare and built specifically for the Cowl Plenum installation.The passenger side tube sweeps 90 degreees in the direction of the tube itself pointing to the smog pump. It also starts its sweep at the firewall end of the tube to allow room for the hose to connect to the smog pump The drivers side is the same.

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