I had two koles together in a 100 (I went and bought one on the same day as my girlfriend got one for me; no returns allowed) with pretty tightly packed live rock. After the first few days of bickering they pretty much ignored each other. I later removed a lot of the rocks for more swimming space and they really got along well.
I'd personally have no reservations about putting a chevron and a kole together in a tank that big.
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