4.6 I-6 stroker motor

[94Dodge Truggy]

Anybody build one of these or know of someone who has? I am trying to figure out what all is needed. Here are a few items I know that I need.

4.2 crank
new rods
new pistons
bore out of 4.0 block
20% larger injectors
head work
computer upgrades?

I have a 1995 wrangler 6 cyl. with low oil pressure and need to do a repair and figured to maybe build another motor while I nurse the one currently in the jeep through winter. I need to find a similar motor to build from 1993 to 1995 I think? Some companies want no less than 1350.00 for the crank, pistons, rods and gaskets! Gotta be a cheaper route. I plan on porting the head at work and need to find out about building it also. Thanks for any input!