Author Topic: manual swap  (Read 1080 times)

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alext1399

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manual swap
« on: April 13, 2010, 08:52:38 PM »
so i'm new here and kinda new to jeeps, i know i'm not the first person who wants to swap a manual trans in the little 4 banger. so i was wondering what exactly i need to do this. i did a little research and know i need an ax-5 and pedals and all that stuff, but what about driveshafts, wiring, computer, crossmember and that stuff, i have looked around but cant find a write up from anyone swapping a manual into an auto and just need some help here. thanks

Offline Jeffy

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Re: manual swap
« Reply #1 on: April 13, 2010, 10:34:37 PM »
Flywheel, clutch, pressure plate, bell housing, transmission, transfer case input shaft, two new driveshafts, hydraulic master, pedals, and probably a new PCM.  It should be a direct swap.
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"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

Offline FourbangerYJ

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Re: manual swap
« Reply #2 on: April 13, 2010, 10:39:33 PM »
Or you could upgrade to a AX-15 or NV3500 but  I am not sure of all the P/N to get the swap. Advance Adapters has a kit to swap in those behind the 2.5 but I am not sure what all comes with the kit.
 What year do you have?
Scott~

Using tools you have not used in a while is like shaking hands with old friends. :nod:

Offline sharpxmen

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Re: manual swap
« Reply #3 on: April 13, 2010, 10:54:54 PM »
Or you could upgrade to a AX-15 or NV3500 but  I am not sure of all the P/N to get the swap. Advance Adapters has a kit to swap in those behind the 2.5 but I am not sure what all comes with the kit.
 What year do you have?

from memory

- Dodge Dakota 96-98 4 cyl 2.5L bellhousing
- '86 Camaro 4 cyl clutch disk
- Jeep 2.5L 4 cyl flywheel, pressure plate (both used, if they're new the clutch won't release), clutch release bearing
- Advance Adapters pilot bushing (i think is listed for NV4500 or something like that) in case it's an NV3550 (not sure for AX15, i think the input shaft is smaller in AX15's case).
- custom made clutch slave pushrod (needs to be longer,
- maybe 23 spline t-case input shaft (not sure what's on his auto).

plus all the ones Jeffy listed as per replacing the auto with an AX-5
'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
Latest: Corbeau BajaRS heated seats :dance: keeping warm the rear end

Offline FourbangerYJ

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Re: manual swap
« Reply #4 on: April 13, 2010, 11:45:00 PM »
I forgot about the 23 VS. 21 spline. The easiest would be the AX-5.

I am a stick shift guy so I don't mind if someone wants to yank out the auto and replace it with a stick. Normally it's the other way around.
Scott~

Using tools you have not used in a while is like shaking hands with old friends. :nod:

alext1399

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Re: manual swap
« Reply #5 on: April 14, 2010, 10:20:26 PM »
i'm bored of the auto, doin 70-75 down the parkway its sitting at like 3500rpm, its not happy haha.

now because its an OBD1 vehicle , do i need to swap over the ECU?

Offline sharpxmen

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Re: manual swap
« Reply #6 on: April 14, 2010, 11:30:36 PM »
i'm bored of the auto, doin 70-75 down the parkway its sitting at like 3500rpm, its not happy haha.

now because its an OBD1 vehicle , do i need to swap over the ECU?

you don't like it b/c 3500 is too high or too low?

you don't need to swap the PCM
'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
Latest: Corbeau BajaRS heated seats :dance: keeping warm the rear end

Offline Jeffy

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Re: manual swap
« Reply #7 on: April 14, 2010, 11:36:45 PM »
i'm bored of the auto, doin 70-75 down the parkway its sitting at like 3500rpm, its not happy haha.

now because its an OBD1 vehicle , do i need to swap over the ECU?
Actually, the engine is fine running at that RPM.  It's high if you're just cruising but normal for a 3-speed and the engine is in the middle of it's power band.
Youtube Channel: https://www.youtube.com/channel/UCZNlr60GXH5OlKIFrT7P6mg
My Jeep: http://4bangerjp.com/forums/index.php?topic=2783.0
"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

alext1399

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Re: manual swap
« Reply #8 on: April 16, 2010, 02:08:28 AM »
3500 isnt to high, my jeeps like a honda...it loves bouncing rev limiter haha, i'm just bored out the auto, dumped to much money into my other truck, so the jeeps been sitting for about 2 years and didnt do much to it so i figured i would start a new money pit. just wanna put the 5 speed in it and do 4 inches on 33's