Need help on routing vacuum lines

[cims1970fj40]

I have a 1974 FJ40 that I need help with on how to run the vacuum lines based on my setup. I have an earlier emissions control device )which I would like to utilize it since I just recently bought one from BTB products) an 75 stock carb, I believe a 78 distributor, and a 2f motor with an 2f exhaust and intake manifold. I also just bought a Chevy charcoal canister from red line cruisers.
My question for the time being is what ports off the emissions control device do I need to utilize other than the one for the canister? And if I do need to use all or most of them where would I plug in the hose to the carb for instance. Any help would be great. I’m not familiar with a lot areas when it comes to the engine compartment.
If I need to include pictures of a certain area please let me know. Thanks

 

[cims1970fj40]

More pictures

 

[cims1970fj40]

One more

 

[60 40]

Many of the vacuum lines are related to smog equipment. Whenever I am trying to decipher what is what and which of what I want to retain of the smog equipment and vacuum lines routed in my 40 I end up referencing back to this. Even though it is for a desmog it has a lot of condensed information of how things where originally routed and why.

https://forum.ih8mud.com/attachments/how-to-desmog-an-fj60-2-5-pdf.2300031/

 

[cims1970fj40]

@Pin_Head @FJ40Jim

 

[Pin_Head]

You have a Franken Cruiser there, so some of the lines are not going to match or function together with other parts.

In pictures from top to bottom.

1 VSV vacuum switching valve. These usually have a number on the casting for each port that matches the number of the port on the carb. I don't have a FSM or remember where they go just by looking at it.

2. Small line = Choke breaker. This goes to manifold vacuum. Big tube at the base of carb. This goes to the EGR outlet for EGRs prior to '79

3. port labeled 8. This is the line for external control of the power valve. It was originally operated by the VSV. You can connect it to intake vacuum. If left unconnected it will run rich.

4. Line for Auxiliary Accelerator Pump AAP. it is vestigial, so leave it or cap it off.

5, 6. Distributor vents. You can leave it or plug them. I don't remember how this works.

7?

 

[cims1970fj40]

@RevISK

 

[RevISK]

Are you trying to route fresh lines?

 

[cims1970fj40]

Are you trying to route fresh lines?

Yes

 

[cims1970fj40]

I’m not familiar with some of the parts so that’s not helping me.

 

[cims1970fj40]

I spoke with Jim C over a year ago and told me ditch the VSV so I’m not concerned with that but can’t remember the rest. Should have wrote it down.

 

[RevISK]

On my 4/80, which was never smogged I think, I only have two vacuum hoses I can recall…

From Distributor to carb base
From brake booster to PCV

The “one” Nolan is talking about must be the booster one because his “formula” involves a Sniper installation

 

[Pighead]

I have a 12/'74 55, also a Frankenstein, about as de-smogged as you can get. I liked my 10/73 carb, mostly because of the mechanical secondary as opposed to your vacuum secondary, so I kept it. I had a carb Guru install the ported vacuum source at the base of my carb for the line to the dizzy. That's my only vacuum line, if you don't count the brake booster line, which I don't. I don't know if your '75 carb has a ported vacuum source, if not, I bet you can have one added.
I cut off that big EGR tube at the spacer and filled the hole with JB weld, removed the throttle positioner (because I am the throttle positioner), deleted the fuel cut-off solenoid. Just simplified it down to where even I could understand it. And I like the look of a bare naked carburetor.

 

[cims1970fj40]

So attached is the carb that I have. I did run the line from the dizzy to the base of the carb the other day.

 

[cims1970fj40]

I’m going to post pictures with numbers next to them later today are tomorrow. That way it can be like connect the dots.

 

[cims1970fj40]

Hello Cimarron,
Here's a list of parts I can identify and how best to use them.

75-77 air cleaner, no ports for dissy vent or emissions atmosphere. Add a fitting to the top of the air cleaner, like a 78-newer air cleaner, to create some suction for small port on cap.

81-84 ignitor & coil, no ballast bypass required, okay.

78-80 electronic distributor with single stage vac advance canister replacement, cap breather ports need vent hoses. Verify that advance hose goes to a ported vac fitting on carb base by valve cover. Connect small port on cap to air cleaner lid, connect large port with some hose to a disposable clear fuel filter as an air inlet filter.

74? t-stat housing, no BVSV, okay.

Electric VSV on driver fender, should be discarded.

Emission computer inside cabin, by clutch pedal? should be discarded.

75 USA carb, needs vac to PV & AAP & CB, EGR tube is open. Add a three way mani vac fitting in front of carb, connect 3 hoses to ports on carb. Put a large rubber cap on the EGR tube. Connect ported vac to dissy advancer.

PCV system? Needs a PCV valve & rubber grommet in PCV fitting at back of pushrod cover. 3/8 oil proof (power steering return or trasnmission oil cooler) hose connect to PCV 90* nipple sticking out of intake below carb. Cap the open small vac fitting on the PCV nipple. Verify elbow hose is connected from air cleaner lid to valve cover.

Evap canister of unknown source & function. Should be connected to fuel tank vapor hose, and a pass through fitting gets a hose with a fuel filter mounted up high as a final breather filter to atmosphere.

Thanks,
Jim Chenoweth
TLC Performance
Lancaster, Ohio, USA

 

[cims1970fj40]

So I ended up getting with Jim C on this issue and I may need so help on certain questions sometime down the road. Thanks