[freedomlover]

I had a ‘72 240Z. Took all the air pollution junk off the engine

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What, your PCV valve? Unless you were in Cali, I think that was about it - maybe some “suggested” ignition timing - although I could be wrong.

Not to put you down, but it just shows where we have come since then.

[stboz]

What, your PCV valve?

The engine was saddled with exhaust port air injection and a throttle-lag controller.