Clay's Build Thread - Page 26 - JeepForum.com

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post #376 of 5422 Old 09-25-2010, 07:34 PM Thread Starter
Skerr
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Originally Posted by TehWicked View Post
I didnt read the whole thread very well...Just curious where you got the axles with disc brakes cause I missed it.
It orginally came with front disc but on NT axles. I swapped them for WT axles. Still stock diffs, just WT.


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post #377 of 5422 Old 09-25-2010, 07:52 PM
243
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The tank looks great, what repairs to you need to make on the body?

Are you going to post pictures?

1978 Cherokee, TBI 360/T400/QT...6.0/6L80/NP241C in the works...
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post #378 of 5422 Old 09-26-2010, 06:22 AM Thread Starter
Skerr
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Originally Posted by 243 View Post
The tank looks great, what repairs to you need to make on the body?

Are you going to post pictures?
Nothing real bad on the body... it's FG. Just some holes and ugly spots to clean up. No cracks, chips, dents, cuts or bruises! Should be straight forward.

Kerrdog
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post #379 of 5422 Old 09-26-2010, 06:44 AM Thread Starter
Skerr
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Guess what WE're fixin to do??
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Kerrdog
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post #380 of 5422 Old 09-26-2010, 06:57 AM
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Originally Posted by Skerr View Post
Guess what WE're fixin to do??
Looks to me like you're fixin to haul a deer out of the woods on that rack you got there. Nice paint job. Maybe Clay will want to piant the jeep like that.
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post #381 of 5422 Old 09-27-2010, 05:55 PM Thread Starter
Skerr
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I keep discovering things that Clay's Jeep doesn't have... like the canister. I was looking at the Chilton's manual at the emissions section, and the vapor lines go to the liquid check valve and the rollover valve. I probably won't install those parts. Can I just loop the two vent outlets together? Or should I run a line up to the charcoal canister?

Thanks

Kerrdog
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But the right word at the right time... "Hey, give me a little hug!" That's the difference between lightning and a harmless lightning bug!
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post #382 of 5422 Old 09-27-2010, 06:25 PM
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Originally Posted by Skerr View Post
I keep discovering things that Clay's Jeep doesn't have... like the canister....Or should I run a line up to the charcoal canister?
Thanks
I would find a charcoal cannister. This is worthwhile emission control device that absorbs gas vapors from the tank and the carburetor. The vapor is then pulled into the intake system when the engine is running. It seems like a simple and worthwhile technology to use.

"I give you a republic, if you can keep it." - Benjamin Franklin
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post #383 of 5422 Old 09-27-2010, 08:08 PM Thread Starter
Skerr
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Originally Posted by Skerr View Post
I keep discovering things that Clay's Jeep doesn't have... like the canister. I was looking at the Chilton's manual at the emissions section, and the vapor lines go to the liquid check valve and the rollover valve. I probably won't install those parts. Can I just loop the two vent outlets together? Or should I run a line up to the charcoal canister?

Thanks
I contradicted myself... we don't have a canister. What I should have said was "some kind of vent"!

Quote:
Originally Posted by Ken4444 View Post
I would find a charcoal cannister. This is worthwhile emission control device that absorbs gas vapors from the tank and the carburetor. The vapor is then pulled into the intake system when the engine is running. It seems like a simple and worthwhile technology to use.
This Jeep has no emission components on it. What would be needed to get the vapors from the tank to the intake?

Kerrdog
Go Fish! <*////><

But the right word at the right time... "Hey, give me a little hug!" That's the difference between lightning and a harmless lightning bug!
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post #384 of 5422 Old 09-27-2010, 08:17 PM
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Guess what WE're fixin to do??
Where are the piggy's

I saw a ragged out Toyota 4x4 flatbed Sunday with two 150+ pounder's on the back. Made me want to go hunting!

1978 Cherokee, TBI 360/T400/QT...6.0/6L80/NP241C in the works...
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post #385 of 5422 Old 09-27-2010, 09:04 PM Thread Starter
Skerr
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Where are the piggy's

I saw a ragged out Toyota 4x4 flatbed Sunday with two 150+ pounder's on the back. Made me want to go hunting!
No piggies but I missed opps at two 8-pointers Saturday evening.... heart-stopping, knee-shaking, why-can't-I-function opportunities!

Your Avatar looks like ratrod!! Just needs a blower sticking up out of the front!

Kerrdog
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post #386 of 5422 Old 09-28-2010, 07:50 AM
Ken4444
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This Jeep has no emission components on it. What would be needed to get the vapors from the tank to the intake?
Unfortunately I don't think it's that simple. If you just ran a vent line from the tank to the manifold vacuum, then that would cause all kinds of problems that would stem from the engine sucking in air from the tank which would amount to a vaccum leak as far as the engine was concerned.

Plus, the factory charcoal cannister also connects to the carburetor's bowl vent so that gas evaporating from the bowl has somewhere to go.

So then you start to get back to the factory-installed setup of a charcoal canister and the pressure valve that's in there.

Maybe someone could design something inbetween a single vent line and the factory system, but I don'tknow.

I can understand why people remove the emissions control hardware from old vehicles, but I think it's unfortunate. I think it stems from a lack of understanding about how the things work and what the components are designed to do. From the point of troubleshooting a poorly running vehicle, I can see how a person would want to rip out stuff that's not really essential, but personally I like to leave in place systems like the cat and the charcoal cannister because they generally operate trouble-free and have little impact on performance. I remember removing my computer and all of the related hardware and wiring and it was a satisfying experience, but I also remember going over the remaining vaccum and vent lines and being happy to know that the necessary plumbing was in place to keep things running well and as clean as possible.

If I had a CJ with no charcoal cannister, I would probably get the thing running right as-is, then plan to add the cannister and related plubming later if I could find the parts for a reasonable price.

"I give you a republic, if you can keep it." - Benjamin Franklin
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post #387 of 5422 Old 09-29-2010, 08:16 AM
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Originally Posted by Ken4444 View Post
I would find a charcoal cannister. This is worthwhile emission control device that absorbs gas vapors from the tank and the carburetor. The vapor is then pulled into the intake system when the engine is running. It seems like a simple and worthwhile technology to use.
I have a cannister, but it looks like the original and have no idea if it's any good. PO disconnected some years past and it's probably shot. Seems these are fairly straight forward devices; anyone know if a cannister from a later model car or truck work? My local salvage yard is full of cannisters at a cheap price.

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No piggies but I missed opps at two 8-pointers Saturday evening.... heart-stopping, knee-shaking, why-can't-I-function opportunities!
One eight pointer chance in a weekend is rare. You must have been doing something right to get a chance at two. Sorry to hear no dice though; it happens.

Keep plugging along with the lines; I need you to do the work so I can just follow along with mine.
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post #388 of 5422 Old 09-29-2010, 06:05 PM Thread Starter
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Keep plugging along with the lines; I need you to do the work so I can just follow along with mine.
I think what we'll do is just vent the tank. In essence, it is nothing more than a gas can, and I don't have canisters on those. I hope we will be able to provide some kind of learning experience for someone. That would make it worthwhile.

The remainder of Clay's parts arrived yesterday. Everything that we need to install the fuel system. A JF member has offered a discounted price on a new crossmember, which I deeply appreciate. So, as soon as we get that handled we'll be able to install the tank and we can proceed. Just trying to tie up loose ends...

Kerrdog
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post #389 of 5422 Old 09-29-2010, 06:30 PM
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You can just let it vent to atmosphere, that's how the old ones were. Just be aware that the CJ might sometimes smell like raw fuel and your fuel economy could appear to suck because of the evaporation loss due to sitting out in that nice Florida sun.

The liquid check valve is the hard part to find and the vapor line is the most expensive. The rest of the parts can easily be found at a salvage yard or bought new for reasonable prices. Any 3or 4 port canister you find at a salvage yard would work fine. So I guess I'm with Ken, if you have most of the parts or can get them cheap then put it on, if not run the vent setup.

Mike
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post #390 of 5422 Old 09-29-2010, 06:34 PM
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Originally Posted by Skerr View Post
I think what we'll do is just vent the tank. In essence, it is nothing more than a gas can, and I don't have canisters on those. I hope we will be able to provide some kind of learning experience for someone. That would make it worthwhile.

The remainder of Clay's parts arrived yesterday. Everything that we need to install the fuel system. A JF member has offered a discounted price on a new crossmember, which I deeply appreciate. So, as soon as we get that handled we'll be able to install the tank and we can proceed. Just trying to tie up loose ends...
I agree Scott. Even if you need to go back and correct something you can always do that. Guess you could run a line to the tank for a future vent if you need it so you can plug into it without taking the tank off.

Parts getting there and a crossmember on the way. You all will be putting that together soon enough. Where did you decide to get the crossmember? When are we going to get to see it?
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