post #61 of Old 04-22-2008, 02:20 PM
bulljeeper
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1986 CJ7 
 
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http://www.4x4wire.com/jeep/tech/engine/fi40swap01/



you might find a couple answers to your questions about the swap here


1986 CJ7
258 Inline 6
HEI Distributor
4.0 Head Swap
MC 2150
lOd Rear Tire Carrier

Soon to be:
4.0 Motor
All New Wiring
Gauges
OBA
Spyder Customs Crusher Corners

http://www.cardomain.com/ride/2527972/1
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post #62 of Old 04-22-2008, 08:46 PM
bulljeeper
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so i am getting ready to start the project. i am going to the Pull-A-Part junk yard withink a week or so and was wanting that my list of parts was what i needed. i know the 4.0 block, head, intake, (and everything that mounts on the front ::fan alty P/S A/c) ALL the wiring and computer(s) connected to the fuel injection. i wanted to make sure that there wasnt anything else form the junk yard that i need.....


By the way, at a pull-a-part junk yard a complete 6 cyl motor is $160 without a cre. so i want to make sure that i get everything i need while i am there the first time to save any money that i can....

1986 CJ7
258 Inline 6
HEI Distributor
4.0 Head Swap
MC 2150
lOd Rear Tire Carrier

Soon to be:
4.0 Motor
All New Wiring
Gauges
OBA
Spyder Customs Crusher Corners

http://www.cardomain.com/ride/2527972/1
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post #63 of Old 04-23-2008, 05:21 AM Thread Starter
supraman1990
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The 5spd in the Cherokee will work as long as it is a 4wd AX15 and not a 2WD, as they aren't a transmission that you can convert back and fourth. Everything should be in the Cherokee, yes.

80 CJ5 in the process of a frame up resto
96% complete.
The little stuff will kill me.
On the back burner for college.
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post #64 of Old 04-23-2008, 05:22 AM Thread Starter
supraman1990
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Quote:
Originally Posted by bulljeeper View Post
so i am getting ready to start the project. i am going to the Pull-A-Part junk yard withink a week or so and was wanting that my list of parts was what i needed. i know the 4.0 block, head, intake, (and everything that mounts on the front ::fan alty P/S A/c) ALL the wiring and computer(s) connected to the fuel injection. i wanted to make sure that there wasnt anything else form the junk yard that i need.....


By the way, at a pull-a-part junk yard a complete 6 cyl motor is $160 without a cre. so i want to make sure that i get everything i need while i am there the first time to save any money that i can....
I almost did the pull a part thing, and actually did get my harness there. Only thing I don't like is you have no idea about internal condition of a motor you pull there.

80 CJ5 in the process of a frame up resto
96% complete.
The little stuff will kill me.
On the back burner for college.
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post #65 of Old 04-23-2008, 07:09 AM
bulljeeper
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yeah, i plan on doing a rebuild, otherwise i would be more cautious about it.

is there any years that i should not get, or just anything from 91-08?

1986 CJ7
258 Inline 6
HEI Distributor
4.0 Head Swap
MC 2150
lOd Rear Tire Carrier

Soon to be:
4.0 Motor
All New Wiring
Gauges
OBA
Spyder Customs Crusher Corners

http://www.cardomain.com/ride/2527972/1
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post #66 of Old 04-23-2008, 09:48 AM Thread Starter
supraman1990
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Quote:
Originally Posted by bulljeeper View Post
yeah, i plan on doing a rebuild, otherwise i would be more cautious about it.

is there any years that i should not get, or just anything from 91-08?
My preference is a 91-98 motor, as that is the better flowing head with less restrictions. 99+ has the better intake, and if you see any of the later intakes snag them, they go for a premium on Ebay and can be adapted to the earlier head. 2000+ motors are the bad head casting that is prone to cracking.

80 CJ5 in the process of a frame up resto
96% complete.
The little stuff will kill me.
On the back burner for college.
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post #67 of Old 04-23-2008, 02:40 PM
bulljeeper
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sorry to completely bust you for knowledge but i was wondering if you had more information about the CPS and the VSS.

where on the bellhousing does the CPS mount. is that something that i could do myself? in order to get novak to do the work on it would i have to ship it to them.

and where does the VSS mount to, and how much are they?

also how much can a CPS be gotten for?

1986 CJ7
258 Inline 6
HEI Distributor
4.0 Head Swap
MC 2150
lOd Rear Tire Carrier

Soon to be:
4.0 Motor
All New Wiring
Gauges
OBA
Spyder Customs Crusher Corners

http://www.cardomain.com/ride/2527972/1
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post #68 of Old 04-24-2008, 12:00 AM
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i have also done a nutter bypass if that will matter.

1986 CJ7
258 Inline 6
HEI Distributor
4.0 Head Swap
MC 2150
lOd Rear Tire Carrier

Soon to be:
4.0 Motor
All New Wiring
Gauges
OBA
Spyder Customs Crusher Corners

http://www.cardomain.com/ride/2527972/1
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post #69 of Old 04-25-2008, 05:22 AM Thread Starter
supraman1990
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Quote:
Originally Posted by bulljeeper View Post
sorry to completely bust you for knowledge but i was wondering if you had more information about the CPS and the VSS.

where on the bellhousing does the CPS mount. is that something that i could do myself? in order to get novak to do the work on it would i have to ship it to them.

and where does the VSS mount to, and how much are they?

also how much can a CPS be gotten for?
I wouldn't do the CPS yourself, either get the Hesco dampener or send it to Novak, just a little space is a lot of timing on those things. The VSS mounts where your speedo cable goes now. You can get the ones from Hesco to run your speedo and function as the VSS for like $160, or they came in 91 Wranglers.

80 CJ5 in the process of a frame up resto
96% complete.
The little stuff will kill me.
On the back burner for college.
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post #70 of Old 04-28-2008, 08:54 PM
bulljeeper
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which one would have more power?

258 and
fuel injection
or
242 and
fuel injection?

1986 CJ7
258 Inline 6
HEI Distributor
4.0 Head Swap
MC 2150
lOd Rear Tire Carrier

Soon to be:
4.0 Motor
All New Wiring
Gauges
OBA
Spyder Customs Crusher Corners

http://www.cardomain.com/ride/2527972/1
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post #71 of Old 04-28-2008, 09:45 PM
coas
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Quote:
Originally Posted by bulljeeper View Post
which one would have more power?

258 and
fuel injection
or
242 and
fuel injection?
The 259+4.0L head will be better at low-mid RPM and the 4.0L at high RPM. Both with stock camshaft.

84 CJ7 , Dana 44 rear D30 front, 258, 4.0 head, MPFI, e-fans, T176, Dana 300, 31x10.5x15 and Mustang hydroboost.
My esnips folders:Jeep Jeep Transmissions
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post #72 of Old 04-28-2008, 09:55 PM
bulljeeper
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do you know if i could still use my HEI dissy if i brought in the MPI? (using the 258 block)

if not is there any sort of way to adapt the hei to work with the MPI

1986 CJ7
258 Inline 6
HEI Distributor
4.0 Head Swap
MC 2150
lOd Rear Tire Carrier

Soon to be:
4.0 Motor
All New Wiring
Gauges
OBA
Spyder Customs Crusher Corners

http://www.cardomain.com/ride/2527972/1

Last edited by bulljeeper; 04-28-2008 at 10:27 PM. Reason: i cant type
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post #73 of Old 04-28-2008, 11:26 PM
coas
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Quote:
Originally Posted by bulljeeper View Post
do you know if i could still use my HEI dissy if i brought in the MPI? (using the 258 block)

if not is there any sort of way to adapt the hei to work with the MPI

No, unless you use the megasquirt ECM, but that's another story.

Anyway, why would one want to use this distributor at the first place??

84 CJ7 , Dana 44 rear D30 front, 258, 4.0 head, MPFI, e-fans, T176, Dana 300, 31x10.5x15 and Mustang hydroboost.
My esnips folders:Jeep Jeep Transmissions
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post #74 of Old 04-28-2008, 11:43 PM
bulljeeper
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cause its new.

i think i am leaning more towards using the 4.2 block.

i like the low end and i know that any real power problems will be solved by the fuel injection. i also have the 4.0 head that has been modified to work on the 258. so that would save more time and money right there.

my planned setup will be:

Fresh 258 block, stock (maybe a small cam)
Recent 4.0 Head and Headers
The Wiring System from 4.0 (including Computers and Ignition)
The hesco CPS kit
Intake
Various Sensors and stuff
the E2000 pump and accesories.
A/C for OBA



is there anything offhand you can think of that will make the not work...

If i put in a cam with some lift, will that throw off the fuel injection? or will it accomidate for it?

also would i have to swap to a 4.0 flywheel and bellcrank?

1986 CJ7
258 Inline 6
HEI Distributor
4.0 Head Swap
MC 2150
lOd Rear Tire Carrier

Soon to be:
4.0 Motor
All New Wiring
Gauges
OBA
Spyder Customs Crusher Corners

http://www.cardomain.com/ride/2527972/1
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post #75 of Old 04-29-2008, 12:05 AM
coas
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With that setup it's better using a larger injectors or adjustable fuel pressure regulator.

If you use the CPS relocation kit then you don't need the 4.0L flywheel unless you swapping the AX15 too.
Using an aftermarket cam might cause a bit of trouble installing the distributor but nothing serious..

Do not use ECM or harness from Grand Cherokee unless you have to, try looking for manual setup, it will be easier.
Start looking for a VSS..

Click on the JEEP link in my sig. for F.S.M'S.

84 CJ7 , Dana 44 rear D30 front, 258, 4.0 head, MPFI, e-fans, T176, Dana 300, 31x10.5x15 and Mustang hydroboost.
My esnips folders:Jeep Jeep Transmissions
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