2.5L to 4.6L swap
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akadeutsch
- Movin on up ^
- Posts: 314
- Joined: February 22nd, 2014, 7:27 pm
- Stroker Displacement: 4.6
- Vehicle Year: 1981
- Vehicle Make: Jeep
- Vehicle Model: CJ8
- Location: New Prague, MN
2.5L to 4.6L swap
I am in a jeep club at work and a guy here wants to swap his 2.5L for a built 4.6L stroker in his 94 YJ. I am helping him with his build because I think it is fun. The first thing that I want to know is what year 4.0 should I look to build? Does it have to be a 94 4.0? I know that we all switched to OBDII in 96. Does this mean I have to use a pre OBDII engine?
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SilverXJ
- Global Moderator
- Posts: 5790
- Joined: February 14th, 2008, 7:14 am
- Stroker Displacement: 4.6L
- Vehicle Year: 2000
- Vehicle Make: Jeep
- Vehicle Model: Cherokee
- Location: Radford, Va
Re: 2.5L to 4.6L swap
Any year except 99+ WJ and 00+ TJ should work fine. OBD II vs. OBD I has nothing to do with the block. OBD I did have a coolant temp sensor in the head that most OBD II heads did not have, but that is a minor issue.
2000 XJ. 4.6L stroker
00+ Viper Coil Swap | CPS Timing Increase Mod | Fabricated Airbox | Dash bezel, Arduino Multigauge & RD Conceal
Eat, breath, drink, sleep, Jeep, drink
00+ Viper Coil Swap | CPS Timing Increase Mod | Fabricated Airbox | Dash bezel, Arduino Multigauge & RD Conceal
Eat, breath, drink, sleep, Jeep, drink
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akadeutsch
- Movin on up ^
- Posts: 314
- Joined: February 22nd, 2014, 7:27 pm
- Stroker Displacement: 4.6
- Vehicle Year: 1981
- Vehicle Make: Jeep
- Vehicle Model: CJ8
- Location: New Prague, MN
Re: 2.5L to 4.6L swap
Rad!!! Thanks Silver!!! Can I ask why the 99+ wj block is different? I only ask because I drive (or at least I did before I pulled the motor) a 00 WJ. In your opinion what block is best to build for a 94 YJ?
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