Re: 2.9 to 4.0 swap questions
I wouldnt hook up the 4.0 to the 2.9 trans, the 4.0 has nearly twice as much torque as the 2.9 and over a (short) period of time, the trans will give out. i don't recommend it.
2002 ford ranger FX4
Off Road | 4.0l v6 | Flowmaster 40 S/I D/O | JBA Headers | Rebello Racing cams | port and polished heads | K&n Drop-in filter | TwinStick
| 31 Spline 4.10 Torsen rear diff | Alcoa rims | Sitting on 31's|