NOS 1969 L88 or ZL1 Vacuum Advance

[Fast67VelleN2O]

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This is an assembly line piece used only on the L88 and ZL1 equipped cars in 1969. Usually taken out and replaced with one that has a vacuum attachment. Very hard to find piece. 1115373 Delco part number and unit is stamped MS 373 12. Excellent NOS shape. $375 shipped.

-Matt

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[Z28Project]

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[mockingbird812]

Cool piece Matt. Educate me - please! If no orifice for vac line on your piece how did this advance lever actuate? Why did the ZL1 and L88 not have a typical vac advance - too little vac created by the aggressive cam - all mechanical advance?