I'm rewiring my engine and connecting all the vaccum lines and i have a loose end. The fuel pressure regulator has a vaccum port on one side and the other is the side where the fuel goes. What vaccum line goes to that? I need a picture of the fuel pressure regulator and maybe some engine bay pics would be nice too. I have everything wired up and plugged in exept for the sparkplug wires and that one vaccum line for the fuel pressure reg. There is one vaccum line left that could possibly go to the FPR but it seems to be to big. Any pic would be helpful. Thanks.

 

if i can remember correctly.......the vaccum line for the reg. is around 7" long.

I know for a fact it comes from the intake manifold on the side. It really doesnt matter where you hook it up to, as long as its a healthy vacuum source.

check the passenger side on the intake for a thin vacuum port near the back of the intake. pretty sure thats where it originates.

 

I always look here first:

Shoebox's Awesome Tech Pages

If there isn't a photo that does it for ya, there are also many diagrams.

It looks like the one for FPR might not clear up your ?. Although I'm sure you can find one that does.

Sean

On a 94, it is the lower of two ports on the intake (passengers side) a couple inches to the right of injector number 6.

 

Here is a picture of me cleaning my LT1 a few years back.
You can see the vacuum line routing from the regulator to the manifold.

 

And for yet another closeup view, its in this pic, although the end that goes to the (adjustable) FPR has fallen off and is laying on the base of the EGR valve.

Back of intake