What is it?

[conedodger]

I’ve owned about 15 Z cars over the years, most were 280Z. Still of course own my first 240Z. 
somewhere along the line, I put together a 280 with all new Factory EFI. I don’t remember what this is or does. I found it while setting up my new garage at the new house. I don’t suppose I need it, but I’d like to know what it is!

[Yarb]

Fuel Pressure Regulator 

[AZDatsun]

Yep goes in the middle ish of the fuel rail

[conedodger]

Nice. Does it actually regulate fuel pressure or just lend a vacuum reference? 

[mailnome]

Yep, should regulate.

This is from the 280Z Fuel Injection Bible, yours just has one inlet.




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[siteunseen]

Those are on the '78s better designed rail if you ever want to sale it.

[conedodger]

I don’t need it, and I’m not running a museum so I’ll sell it. Just have to figure out what it’s worth.