How tight should I torque 500 mcm wire in a double barrel mechanical lug

Here is a datasheet for one mechanical connector:

BurndyProduct_Type (http://portal.fciconnect.com/portal/page/portal/FcicntPublic/BurndyProduct_Type?appname=catDisplayByPath$entryP oint=adirect$categoryPath=Division+catalog%2FBurnd y)

Best that you find the datasheet for the lug you have, to learn what that lug needs to torqued.