All Classified forums require a Site Supporter subscription. It is only $25 per year and you can buy and sell whatever you like on the forum. To become a Site Supporter, go to Your Profile and select "Paid Subscriptions."
No check, but doesnt make it legal. Just dont give a cop a reason to pop the hood, in fact, they dont need reasonable suspicion to pop the hood. Do they check? Usually just on rice burners.
I'm a little surprised that a 74 even has a smog pump, but then my 74 has an egr on it, which I've never seen on one before. And my emissions sticker says its supposed to be there.