So I picked up a p7100 engine and auto tranny from the junk yard yesterday from a 96 dodge to put in my 91 dodge. Tranny I believe is a 47rh. I got the cross member and some of the exhaust but I feel like Im missing something (besides the innercooler and half the intake piping. still need that). Specifically I noticed that there is a TPS sensor on the throttle. is there a computer Im supposed to have? If so, where would it be on the truck. Any info would be just great Im really running short on time here

 

I think you will need a computer for the trans.
That looks like an aweful good time for a KDP kit...
You wouldn't want to sell me that nut on the top front of the engine, would you?

 

You have your hands full, 96 was the first year of the 47RE.

I would either 5 speed it or find a 47RH ( 94-95 )

Computer is on the firewall

 

5 speed is too expensive.
What's wrong with the RE and why does having one make my hands full?

 

The RE is electronically controlled hence the E.
The RH is hydraulically controlled.

With the RE you will need the computer (PCM) the wiring harness to it, the speed sensor on the tranny or t-case and a way to make it work on on your older truck.
Not saying it can't be done but you're definitely going to need the '96 factory service manual for detailed wiring diagrams.

 

You can convert it. You need valve body governor ,some drilling and governor pressure tubes , and you have a rh. Or you can buy a stand alone computer (problably costs more then conversion).

 

...or I can use the pcm off the 96, which I now have. Just took a trip to the junk yard and snatched it up along w/ the wiring harness.

 

where would I get these conversion parts?