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Old 01-09-2010, 03:36 PM   #1
dj69firebird69
 
Join Date: Dec 2009
Posts: 15
4.0 HO conversion and transmission questions

I have a 1987 Wrangler with the 4.2 and I just bought a 1991 Cherokee with the idea of swapping the 4.0 HO into my YJ. I am trying not to spend too much because money is tight right now so I need to get some opinions on what I should do. If I use the trans out of the XJ it is an AW4 and i will have the CPS sensor and not have to buy the conversion kit for the front crank pulley. But it is a little longer so my driveshafts will be different. But then I have the TF999 from my wrangler which was rebuilt not too long ago but I believe it needs a new torque converter and I would have to buy the CPS conversion kit or make my own opening for the CPS. Or should I buy a different trans all together? If anybody has any suggestions it would be very helpful. I want to get this all figured out before I move any farther on the project. Thanks
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