1976 Is it a 49 state or Cali car? Options

[gnomefabtech]

Car came from Nevada but I can't tell if it was originally a California car. It still has injection but doesn't have a cat or smog pump. Doesn't look like it ever had either but I'm wondering since I'm going to try and register it here in California. Thanks in advance!!

Here is the Vin:

[technicalninja]

Wow!
Wonki is Sherlock Holmes...

I can give a couple of tips on emission control: The EGR system was developed solely for the reduction of NOX via introducing an inert gas (without oxygen-could have been anything) into the intake to dampen the temperatures achieved. A small amount of exhaust gas equaled a large combustion chamber temperature decrease. If you keep the combustion chamber below 2500F oxides of nitrogen are significantly reduced.

The air pump was utilized to add additional oxygen to the cat to allow the cat to burn the HC and CO out of an extremely rich mixture. (by today's standards). Without the supplementary oxygen the cat will stop functioning earlier.
Air pump keeps cat alive; it doesn't dilute the exhaust.

Damned interesting that cat cars got an automatic replacement at 30K.
Replacing a cat every 30k would get old quickly...

What I didn't know was why Nissan added EGR valves to the Z-car in 76 and then added nothing else (49 states cars) until 1979 when everyone went to cats across the board. The 75 Z FI manifold without EGR is a rarity.
Thanks Woki!

I've found getting into tangles with city and state officials is often more trouble than it is worth.

Good luck to you if you try. (IMG:style_emoticons/default/beerchug.gif)