Edmunds lists the Diamante ES sedans and wagon between '92-'95 as identical HP/TQ specs - 175HP @ 5500/185TQ @ 3000 - if they're correct, the cams are the same in the wagon:

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Frank

'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum