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Thread: 6502-1 smog legal air cleaner from Holley?

  1. #1

    Default 6502-1 smog legal air cleaner from Holley?

    Which air cleaner is legal for D 256 2 Executive Order, for the Rochester QuadraJet? 1980 C30 5.7L engine. (LT1, 4 bolt mains, 350 torque flight, mechanical secondaries, vacuum modulated transmission, vacuum advance that I shall be modifying to 6° locked, base timing 4°, mechanical advance curved to 34° at 4200 RPM. It requires premium fuel, and has no EGR, but does have a smog pump.

  2. #2


    If the factory housing has any valves or fittings on it (I'm sure it does), then you'll have to use it to pass a visual & mechanical smog test.

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