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-   -   86 cj7 vacuum question (https://www.jeepscanada.com/jeep-mailing-list-32/86-cj7-vacuum-question-11887/)

Sleestak 02-26-2004 04:22 PM

86 cj7 vacuum question
 
Well, I am the happy owner of a new 1986 cj7, with the 258 motor. The
previous owner completly disconnected the computer -- the wires running
into the firewall are cut off flush. It looks to have a stock carter
carb. Could someone here please describe to me how the vacuum lines
should be run -- the minimum needed. Also, what needs to be plugged up.
The previous owner has modified the vacuum system somewhat, and I want
to check what he has done. The jeep runs good, but wants to stall in
cold wet weather. Thanks for the help.




--
Sleestak
Registered GNU/Linux user number 281031 http://counter.li.org/
Say NO! To TCPA! http://www.againsttcpa.com

Mike Romain 02-26-2004 04:41 PM

Re: 86 cj7 vacuum question
 
Hoo boy...

Ok, I have the minimal vacuum routing. I just have the PCV, EGR, air
filter flaps and charcoal canister (gas tank and float vent) hooked up
with no computer.

Here is a decent link on the computer modification and the vacuum
routing on the 258.

http://home.sprynet.com/~dale02/ignmods.htm
http://home.sprynet.com/~dale02/vactails.htm

Have a look there and if you have questions, just ask.

Running bad when wet implies a dirty distributor cap and rotor to me.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

Sleestak wrote:
>
> Well, I am the happy owner of a new 1986 cj7, with the 258 motor. The
> previous owner completly disconnected the computer -- the wires running
> into the firewall are cut off flush. It looks to have a stock carter
> carb. Could someone here please describe to me how the vacuum lines
> should be run -- the minimum needed. Also, what needs to be plugged up.
> The previous owner has modified the vacuum system somewhat, and I want
> to check what he has done. The jeep runs good, but wants to stall in
> cold wet weather. Thanks for the help.
>
> --
> Sleestak
> Registered GNU/Linux user number 281031 http://counter.li.org/
> Say NO! To TCPA! http://www.againsttcpa.com


Mike Romain 02-26-2004 04:41 PM

Re: 86 cj7 vacuum question
 
Hoo boy...

Ok, I have the minimal vacuum routing. I just have the PCV, EGR, air
filter flaps and charcoal canister (gas tank and float vent) hooked up
with no computer.

Here is a decent link on the computer modification and the vacuum
routing on the 258.

http://home.sprynet.com/~dale02/ignmods.htm
http://home.sprynet.com/~dale02/vactails.htm

Have a look there and if you have questions, just ask.

Running bad when wet implies a dirty distributor cap and rotor to me.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

Sleestak wrote:
>
> Well, I am the happy owner of a new 1986 cj7, with the 258 motor. The
> previous owner completly disconnected the computer -- the wires running
> into the firewall are cut off flush. It looks to have a stock carter
> carb. Could someone here please describe to me how the vacuum lines
> should be run -- the minimum needed. Also, what needs to be plugged up.
> The previous owner has modified the vacuum system somewhat, and I want
> to check what he has done. The jeep runs good, but wants to stall in
> cold wet weather. Thanks for the help.
>
> --
> Sleestak
> Registered GNU/Linux user number 281031 http://counter.li.org/
> Say NO! To TCPA! http://www.againsttcpa.com


Mike Romain 02-26-2004 04:41 PM

Re: 86 cj7 vacuum question
 
Hoo boy...

Ok, I have the minimal vacuum routing. I just have the PCV, EGR, air
filter flaps and charcoal canister (gas tank and float vent) hooked up
with no computer.

Here is a decent link on the computer modification and the vacuum
routing on the 258.

http://home.sprynet.com/~dale02/ignmods.htm
http://home.sprynet.com/~dale02/vactails.htm

Have a look there and if you have questions, just ask.

Running bad when wet implies a dirty distributor cap and rotor to me.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

Sleestak wrote:
>
> Well, I am the happy owner of a new 1986 cj7, with the 258 motor. The
> previous owner completly disconnected the computer -- the wires running
> into the firewall are cut off flush. It looks to have a stock carter
> carb. Could someone here please describe to me how the vacuum lines
> should be run -- the minimum needed. Also, what needs to be plugged up.
> The previous owner has modified the vacuum system somewhat, and I want
> to check what he has done. The jeep runs good, but wants to stall in
> cold wet weather. Thanks for the help.
>
> --
> Sleestak
> Registered GNU/Linux user number 281031 http://counter.li.org/
> Say NO! To TCPA! http://www.againsttcpa.com


L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III 02-26-2004 07:13 PM

Re: 86 cj7 vacuum question
 
That guy save you some big headaches. It's called the Nutter
bypass: http://home.sprynet.com/~dale02/ignmods.htm You probably should
go around hiding the obvious disconnects to keep the SMOG nazis happy.
Maybe turn the choke spring up a notch, or cold idle cam.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Sleets wrote:
>
> Well, I am the happy owner of a new 1986 cj7, with the 258 motor. The
> previous owner completly disconnected the computer -- the wires running
> into the firewall are cut off flush. It looks to have a stock carter
> carb. Could someone here please describe to me how the vacuum lines
> should be run -- the minimum needed. Also, what needs to be plugged up.
> The previous owner has modified the vacuum system somewhat, and I want
> to check what he has done. The jeep runs good, but wants to stall in
> cold wet weather. Thanks for the help.
>
> --
> Sleestak
> Registered GNU/Linux user number 281031 http://counter.li.org/
> Say NO! To TCPA! http://www.againsttcpa.com


L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III 02-26-2004 07:13 PM

Re: 86 cj7 vacuum question
 
That guy save you some big headaches. It's called the Nutter
bypass: http://home.sprynet.com/~dale02/ignmods.htm You probably should
go around hiding the obvious disconnects to keep the SMOG nazis happy.
Maybe turn the choke spring up a notch, or cold idle cam.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Sleets wrote:
>
> Well, I am the happy owner of a new 1986 cj7, with the 258 motor. The
> previous owner completly disconnected the computer -- the wires running
> into the firewall are cut off flush. It looks to have a stock carter
> carb. Could someone here please describe to me how the vacuum lines
> should be run -- the minimum needed. Also, what needs to be plugged up.
> The previous owner has modified the vacuum system somewhat, and I want
> to check what he has done. The jeep runs good, but wants to stall in
> cold wet weather. Thanks for the help.
>
> --
> Sleestak
> Registered GNU/Linux user number 281031 http://counter.li.org/
> Say NO! To TCPA! http://www.againsttcpa.com


L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III 02-26-2004 07:13 PM

Re: 86 cj7 vacuum question
 
That guy save you some big headaches. It's called the Nutter
bypass: http://home.sprynet.com/~dale02/ignmods.htm You probably should
go around hiding the obvious disconnects to keep the SMOG nazis happy.
Maybe turn the choke spring up a notch, or cold idle cam.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Sleets wrote:
>
> Well, I am the happy owner of a new 1986 cj7, with the 258 motor. The
> previous owner completly disconnected the computer -- the wires running
> into the firewall are cut off flush. It looks to have a stock carter
> carb. Could someone here please describe to me how the vacuum lines
> should be run -- the minimum needed. Also, what needs to be plugged up.
> The previous owner has modified the vacuum system somewhat, and I want
> to check what he has done. The jeep runs good, but wants to stall in
> cold wet weather. Thanks for the help.
>
> --
> Sleestak
> Registered GNU/Linux user number 281031 http://counter.li.org/
> Say NO! To TCPA! http://www.againsttcpa.com


Danny Bains 02-26-2004 09:24 PM

Re: 86 cj7 vacuum question
 
L.W.(ßill) ------ III wrote:

> That guy save you some big headaches. It's called the Nutter
> bypass: http://home.sprynet.com/~dale02/ignmods.htm You probably should
> go around hiding the obvious disconnects to keep the SMOG nazis happy.
> Maybe turn the choke spring up a notch, or cold idle cam.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/



Thanks. So how do I turn up the choke. Also, the EGR vacuum hose is
disconnected and the nipple on the EGR is plugged. What is the effect of
this?


--
Say NO! To TCPA! http://www.againsttcpa.com
What's Microsoft up to: http://www.euronet.nl/users/frankvw/IhateMS.html



Danny Bains 02-26-2004 09:24 PM

Re: 86 cj7 vacuum question
 
L.W.(ßill) ------ III wrote:

> That guy save you some big headaches. It's called the Nutter
> bypass: http://home.sprynet.com/~dale02/ignmods.htm You probably should
> go around hiding the obvious disconnects to keep the SMOG nazis happy.
> Maybe turn the choke spring up a notch, or cold idle cam.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/



Thanks. So how do I turn up the choke. Also, the EGR vacuum hose is
disconnected and the nipple on the EGR is plugged. What is the effect of
this?


--
Say NO! To TCPA! http://www.againsttcpa.com
What's Microsoft up to: http://www.euronet.nl/users/frankvw/IhateMS.html



Danny Bains 02-26-2004 09:24 PM

Re: 86 cj7 vacuum question
 
L.W.(ßill) ------ III wrote:

> That guy save you some big headaches. It's called the Nutter
> bypass: http://home.sprynet.com/~dale02/ignmods.htm You probably should
> go around hiding the obvious disconnects to keep the SMOG nazis happy.
> Maybe turn the choke spring up a notch, or cold idle cam.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/



Thanks. So how do I turn up the choke. Also, the EGR vacuum hose is
disconnected and the nipple on the EGR is plugged. What is the effect of
this?


--
Say NO! To TCPA! http://www.againsttcpa.com
What's Microsoft up to: http://www.euronet.nl/users/frankvw/IhateMS.html




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