I'm looking to do an engine swap but I want to get all my ducks in a roll before I take on suck a big task I was hoping some of you could give me some advice before doing the swap maybe some pieces of knowledge you all knew before the swap. Also what parts would I have to switch out.

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2002 Ford Ranger XLT V6 4.0L 4x4 off road

What research have you done?

Duck one:
Research ducks.

Then worry about other ducks.

I think .2% of the internet is dedicated to this swap at this point. Tons of write ups, logs ect.

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1997 Ranger XLT 4.0L 2wd 3.55 open
RCX leveling coils, Pro Comp AAL, 1" BL
31x10.5x15 General Grabber AT2