If you are going with a carb you will need the distributor off of a car with a carb. Also if 1985 engine is a roller block like I think it is you will need a bronze(I think its bronze) distributor gear.
P.S. What is the web address for Fletch 5.0's V-8 swap page, because I'm going to swap a V-8 into my car
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THE SLO PONY
1992 Ford Mustand LX. 2.3 liter four-banger, auto. Future mods: V-8 swap.

Fly it loud, Fly it proud!!!
If it ain't broke, you ain't tryin hard enough