The 140 and 112 is pretty much the same motor as well if the 140 is a looper.
What's the difference in a looper vs crossflow engine?
Anyone else feel these are a bit over-priced?
If the 87 is a little wider and a little lighter, it will float a little shallower.
Would the 96 be appreciably better on fuel consumption?
Slo-Few other thoughts:1) the '87 140 is definitely a looper (considerably stronger, but significantly smokier w/greater fuel consumption) and the '96 is definitely a crossflow (not as strong but considerably lighter and slightly more fuel efficient). Both very simple, common, and repairable/maintainable engines if powerhead is intact, and both will push the boats fine. Loopers first came on the scene in 1984 and were produced through 2000 in a few different forms. Crossflows were first produced in the early 70's, modified a bit in '79, and then produced in pretty much the same form until 1996 I believe. The name refers to how each routes air flow in the combustion chamber. http://www.maxrules.com/fixtheory2.html2) the 87 engine for some reason has a much older lower unit (late 70's early 80's generation). Ask the seller why. 3) I second the opinion that the aluminum trailer probably justifies most of the $1000 price difference between the two (providing the axles, tires, hubs and wiring are otherwise in similar condition).4) I would personally NEVER prioritize cosmetics over structural integrity. If the deck and transom of the 87 are actually 100% solid and the 96 has soft spots, then the 87 would be my choice 10 times out of 10 unless it comes with an overwhelming number of other/small problems to deal with.5) check to see if the 87 looper engine still has it's original VRO hardware. 87 was second generation VRO and if it's still intact and working then that is a small plus in your favor.6) Can't be 100% sure from the photos, but the 87 engine looks like it might be a shortshaft and the 96 seems to be a longshaft? Verify which one lines it's cavitation plate up better with the keel.7) I agree both are mildly overpriced.