What heads swap with what years?
#1
CF Veteran
Thread Starter
Join Date: Jan 2010
Location: Indianola IOWA
Posts: 2,059
Likes: 0
Received 1 Like
on
1 Post
Year: 1992
Model: Cherokee
Engine: 4.0
What heads swap with what years?
What heads swap with what years? can someone give me a run down on what heads(by years) go on what motors(again by year). Not wanting any modifications just direct bolt ons. please and thank you
#2
http://www.jeep4.0performance.4mg.com/tech_specs.html
Direct swaps without any additional work, swap casting for casting.
Cylinder head
The stock cylinder head is cast iron and weighs 60lb. The valve head diameter is 1.91" intake/1.50" exhaust. Casting numbers are as follows:
Year............Casting No
1987-90......2686
1991-95......7120
1996-99......0630
2000-01......0331
The stock cylinder head is cast iron and weighs 60lb. The valve head diameter is 1.91" intake/1.50" exhaust. Casting numbers are as follows:
Year............Casting No
1987-90......2686
1991-95......7120
1996-99......0630
2000-01......0331
#7
2000 head
I've got a 2000 Cherokee Orvis with the newer intake manifold so I presumed its was the 0331 head, however it doesn't have the coil pack, so I'm wondering if it's the 0630 head
Trending Topics
#8
Newbie
Join Date: Jun 2009
Posts: 15
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1997
Model: Cherokee
Engine: 4.0
FrankZ,
I am in the process of putting a 97 engine in a 95 XJ. You are right about the temp sending unit. I have a sending unit now with nowhere for it to go, and also no indication of temp on my instrument gage. Do you know if the rear sending unit that goes into the head controls the fan or if it is just for the gage? And if so, I was thinking about tapping out the thermostat housing and putting the sending unit in there. Now I know that this would not indicate temp until the thermostat opened, but it would still be there shortly after running the engine. Let me know what you think.
I am in the process of putting a 97 engine in a 95 XJ. You are right about the temp sending unit. I have a sending unit now with nowhere for it to go, and also no indication of temp on my instrument gage. Do you know if the rear sending unit that goes into the head controls the fan or if it is just for the gage? And if so, I was thinking about tapping out the thermostat housing and putting the sending unit in there. Now I know that this would not indicate temp until the thermostat opened, but it would still be there shortly after running the engine. Let me know what you think.
#9
CF Veteran
Join Date: Jan 2010
Location: Coeur d' Alene, Idaho
Posts: 1,316
Likes: 0
Received 1 Like
on
1 Post
Year: 1998
Model: Cherokee
Engine: 4.0 rebuilt w/ bored TB, banks header, upgraded ignition, 3 row rad, high flow h2o pump, 180* t-stat
FrankZ,
I am in the process of putting a 97 engine in a 95 XJ. You are right about the temp sending unit. I have a sending unit now with nowhere for it to go, and also no indication of temp on my instrument gage. Do you know if the rear sending unit that goes into the head controls the fan or if it is just for the gage? And if so, I was thinking about tapping out the thermostat housing and putting the sending unit in there. Now I know that this would not indicate temp until the thermostat opened, but it would still be there shortly after running the engine. Let me know what you think.
I am in the process of putting a 97 engine in a 95 XJ. You are right about the temp sending unit. I have a sending unit now with nowhere for it to go, and also no indication of temp on my instrument gage. Do you know if the rear sending unit that goes into the head controls the fan or if it is just for the gage? And if so, I was thinking about tapping out the thermostat housing and putting the sending unit in there. Now I know that this would not indicate temp until the thermostat opened, but it would still be there shortly after running the engine. Let me know what you think.
#11
CF Veteran
Join Date: Oct 2008
Location: Stafford,VA
Posts: 2,543
Likes: 0
Received 5 Likes
on
5 Posts
Year: 1998
Model: Cherokee
Engine: 4.0
that is way to much work...why not just get a 96+ thermostat housing from the parts store or the JY and bolt it on and install the sender in there?
I have a 7120 head on my 98 and i Left the little sender in the corner of the head and just put my 98 TH on the 7120 head......
I have a 7120 head on my 98 and i Left the little sender in the corner of the head and just put my 98 TH on the 7120 head......
#12
CF Veteran
Join Date: Jan 2010
Location: Coeur d' Alene, Idaho
Posts: 1,316
Likes: 0
Received 1 Like
on
1 Post
Year: 1998
Model: Cherokee
Engine: 4.0 rebuilt w/ bored TB, banks header, upgraded ignition, 3 row rad, high flow h2o pump, 180* t-stat
that is way to much work...why not just get a 96+ thermostat housing from the parts store or the JY and bolt it on and install the sender in there?
I have a 7120 head on my 98 and i Left the little sender in the corner of the head and just put my 98 TH on the 7120 head......
I have a 7120 head on my 98 and i Left the little sender in the corner of the head and just put my 98 TH on the 7120 head......
never thought of that. guess if you did it that way you wouldnt have the chance of messing up the head. $10 thermostat housing is alot cheaper than a new head...
#13
Newbie
Join Date: Jun 2009
Posts: 15
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1997
Model: Cherokee
Engine: 4.0
But I have the wiring from a 95, so if the fan works off of the rear sending unit, not the thermostat, I have to hook up the rear sending unit to something to get the fan to run. And I would prefer not to drill into the head. What would putting a thermostat housing from a 96+ do for me if I still have the wiring from the 95?
#15
CF Veteran
Join Date: Jan 2010
Location: Coeur d' Alene, Idaho
Posts: 1,316
Likes: 0
Received 1 Like
on
1 Post
Year: 1998
Model: Cherokee
Engine: 4.0 rebuilt w/ bored TB, banks header, upgraded ignition, 3 row rad, high flow h2o pump, 180* t-stat
But I have the wiring from a 95, so if the fan works off of the rear sending unit, not the thermostat, I have to hook up the rear sending unit to something to get the fan to run. And I would prefer not to drill into the head. What would putting a thermostat housing from a 96+ do for me if I still have the wiring from the 95?