Closed engine positive ventilation

Years 1963–72 Models 5 Factory citations 8

Also described as Closed positive engine ventilation (PCV)Closed Engine Positive Vent Type BClosed ventilation PCVClosed engine positive ventilation (PCV)

Documented applications

Camaro

1967 Factory-verified

required in California

GM Heritage factory kit — 1967 Chevrolet Camaro, p.58.

Chevelle / El Camino

1964–1967 Factory-verified

GM Heritage factory kit — 1964 Chevrolet Chevelle, p.71.
GM Heritage factory kit — 1967 Chevrolet El Camino, p.6.

Impala / Full-Size

-1964- Factory-verified

GM Heritage factory kit — 1964 Chevrolet, p.8.

Nova / Chevy II

1964–1967 Factory-verified

GM Heritage factory kit — 1965 Chevrolet Nova, p.5.
GM Heritage factory kit — 1967 Chevrolet Nova, p.7.

C/K Trucks

1963–66 Factory-verified

GM Heritage factory kit — 1965 Chevrolet Truck, p.19.
GM Heritage factory kit — 1966 Chevrolet Truck, p.24.
1967–72 Confirmed

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This page aggregates every documented appearance of K24 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.