| Haynes says they should be between 1.5 and 2.5.
@ 20ºC per http://www.autozone.com/az/cds/en_us...rInfoPages.htm

| What does it mean that mine are at 2.7?
You did not deduct for your meter's test leads' resistance. Mine
have 2.1 ohm @ 30ºC, 2 ohm @ 20ºC.