Idle not low enough and rough

Tiny
CJA31186
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More pics.
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Wednesday, May 10th, 2017 AT 4:10 PM
Tiny
CJA31186
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Ignition Module Pics.
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Wednesday, May 10th, 2017 AT 4:12 PM
Tiny
CJA31186
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Also, I got the carburetor today. I am assuming I will have to do the baseline adjustments with the air mixture screws and idle screws before install.
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Wednesday, May 10th, 2017 AT 4:13 PM
Tiny
CJA31186
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Can I use the vacuum setup from the other post, or are you going to arrange it differently for my situation? I think the only difference would be I would have the brake booster connected to a port that you recommend to keep plugged. If that is not the case, I will wait to see your vacuum diagram.
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Thursday, May 11th, 2017 AT 5:31 PM
Tiny
CJ MEDEVAC
  • EXPERT
Tired!

I made this to help. (I think I got it all right!)

In the pic, "My fuel inlet" is the same as yours, Mine just has a piece of tubing bent towards the fuel filter in THIS 1st PIC!

Other pics

Canister will not have vacuum, I eliminated mine and it's lines

I KEPT THE GREEN ONE coming from the Fuel Tank/ Liquid check/ and Roll over check. I extended it with fuel line. You will see it high on my firewall with a fuel filter that let's it breathe. I included a pic on fuel tank vent system so you could see how it is set up.

Lat pic

Bowl vents, you cannot cap these off, if you do, every time you stop and shut the Jeep off a lot of fuel will BOIL out of very hole in you carb! This has to breathe!

The finger is pointing at the tee, on the bottom of the tee add a fuel filter that the carb can breathe thru (like the one on my firewall) The other end of the filter(s) do not hook to nuthin'! It's just there to keep dirt daubers and trash out of the lines.

ANY QUESTIONS? Just ask!

I'll get to the ignition soon as I can! Mother's Day weekend, gotta go to Hotlanta to see her Mama.

I'll hang with you every chance I get!

The Medic
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Thursday, May 11th, 2017 AT 7:48 PM
Tiny
CJ MEDEVAC
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PICS LOST ABOVE

I try 'em again! (5 more should show)

The Medic
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Thursday, May 11th, 2017 AT 7:51 PM
Tiny
CJ MEDEVAC
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Dang it!

1st one did not show. Here it is, the one you wanted most.

The Medic
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Thursday, May 11th, 2017 AT 7:54 PM
Tiny
CJA31186
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For the pcv valve do I need to get a different one? I found a T shape one that's bigger and should fit my current size grommet. I also have the original one that is not t-shaped. What do you recommend?
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Thursday, May 11th, 2017 AT 8:46 PM
Tiny
CJA31186
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If I get rid of the charcoal canister will I start getting a strong gas smell from the fumes?
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Thursday, May 11th, 2017 AT 8:47 PM
Tiny
CJ MEDEVAC
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You will soon have a 1979 look alike engine,

Obtain a 1979 Jeep CJ-7 PCV and appropriate grommet.

PCVs allow different airflow's thru 'em, they are sorta matched to the carb's air/ fuel needs, basically the PCV is a regulated vacuum leak. Too much or too little air would especially affect your idle mix.

I hope you saw the vent line 'high' on my firewall with the fuel filter (screen/ breather). Being under the hood, I have never smelled fuel inside or even with my face a foot away.

I too, dislike those kinda smells, I kicked my exhaust out the side behind my rear driver's side wheel. Works great there!

Originally it was straight out of the back, the 'drafting affect' of a square back/ non-aerodynamic Jeep rolled the choking exhaust fumes into the back/ cockpit of the Jeep.

I'm headed to Hotlanta in the morning, may not see you tomorrow, I hope you have things to work on till I get back- NO SLACKING!

The Medic
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Friday, May 12th, 2017 AT 7:32 PM
Tiny
CJA31186
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Thanks for your response again. Enjoy hotlanta. Haha. I'm going to try and install the carb this weekend with the vacuum setup you showed me in the picture. One question on the fuel line canister stuff. Which line will get the gas filter on the end of it. My canister has 3 lines hooked up to it right now.
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Friday, May 12th, 2017 AT 7:40 PM
Tiny
CJA31186
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Oh and one other thing. What do I do with the other pcv breather towards the back of my valve cover closer to the fire wall that currently hooks into the air filter?
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Friday, May 12th, 2017 AT 7:56 PM
Tiny
CJ MEDEVAC
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Review the pics I sent.

If you are not sure, don't mess with it yet!

The 'KEEPER' IS:

Its the one that looks GREEN (may be dirty) LOOKS LIKE A LITTLE PEOPLE GARDEN HOSE! It also is sorta stiff!

You can verify this by following it back to the Roll Over check valve.

Once we get overwhelmed with replies, I understand how much of a pain it is to go back, I'm posting several pics you can see the correct hose. "MY GREEN HOSE" can be seen in each pic. (Sending 5 pics, I hope!)

How's your end of this cyber-sation going?

Do I explain it well enough so that even your Ma-in-Law could do it?

The Medic
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Friday, May 12th, 2017 AT 8:07 PM
Tiny
CJA31186
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Yes you explain everything very well! Everything seems simple and straight forward. Should be able to get everything hooked up this weekend. Just as long as I have time to get out there for a couple hours.
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Friday, May 12th, 2017 AT 8:12 PM
Tiny
CJA31186
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Also, on my current pcv hose going to the carb there is some kind of an electrical sensor t'd into the line with wires going into it. Can I get rid of that and just have a direct pcv hose from my valve cover to the carb for the setup we are Doing?
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Friday, May 12th, 2017 AT 8:19 PM
Tiny
CJ MEDEVAC
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The one on the rear.

BETTER NOT BE A PCV!

It should be a grommet and a fitting 45/ 90/ whatever elbow and hose- air can free flow both ways

A PCV is a check valve-air only one way-as it would be installed it would not LET REPLENISHMENT AIR flow from the breather to the valve cover

The REAL PCV is sucking all of the crappy Combustion Gasses out of the engine, it needs Fresh Air from the breather from the other Valve cover hole.

Think of it like this-

If you plugged the other hole with your thumb- the REAL PCV would eventually suck a vacuum on the whole engine (provided all seals are good).

When it sucks that vacuum, the engine idle starts running rough, WHY? WHY? WHY?

The suction is there! / The PARTIAL AIR FLOW TO THE CARB HAS STOPPED! (The other needed air comes thru the carb's throat) You just cut off some of the combustion air needed for idle!

These 2 air flows are sorta buddies, the engineers deemed that it needed so much air from each source to Idle and the PCV system operate correctly.
*
*
HERE"S A TRICK! IN THE FUTURE REMEMBER THE TRICK! DON"T ASSUME IT"S A PCV!

If you do have a PCV in the rear hole, take it out (this may have hindered your set up in the past)

Grind the metal bottom off of it until the guts all fall out!

NOW YOU HAVE AN ELBOW- NOT A PCV- It will fit in the grommet and now allow airflow! Yep sorta looks nice and fits well. However, it would make a feller like me check it out closer!

Leave the new Real PCV in the front hole untouched!

Are you learning stuff? Does it fall into place?

The Medic
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Friday, May 12th, 2017 AT 8:34 PM
Tiny
CJ MEDEVAC
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Yep!

Direct nipple to hose to nipple! Everything is a straight shot!

That other stuff is not needed (it helped Mr. Computer)

Take it loose, roll up the wires out of the way!

New carb got a 'lectric choke? That wire will be a "Keeper".

The Medic
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Friday, May 12th, 2017 AT 8:39 PM
Tiny
CJA31186
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Ok excellent. It's my mistake for assuming it is a pcv. I will double check to make sure there is no pcv in the rear hole and that it allows free air flow both ways.
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Friday, May 12th, 2017 AT 8:44 PM
Tiny
CJ MEDEVAC
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Looky Here!

My new one came in today!

The Medic
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Friday, May 12th, 2017 AT 8:46 PM
Tiny
CJA31186
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Should I keep that rear hose that I thought was a pcv hooked into the air filter?
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Friday, May 12th, 2017 AT 8:48 PM

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