The 2.3 seems plausible, but I don't think it would really be worth it, especially since it would really diminish the towing capacity. Going with the slightly larger 3.0 actually seems to be a good idea, as it would have more power, and the 3.0 is a more efficient engine. That would be why Ford discontinued the 2.8L after '86. I'd like to keep the power above the 115hp the 2.8L is rated at, since it's still going to be an occasional hauler (I still have the car and bike for high mileage.)
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