Soo i got my parts today and as soon as i got home i changed my spark plugs. I got them and the msd 10.4mm wires well anyways time was running out cause it was getting dark soo i was hurring soo i got the plugs in and the two in the back while i was tighting them i crack the porsilyn miterial soo i said okay whatever ill put on the wires and moved it up in front of the garage. It idles fine and starts up fine but tomorrow im gonna get some new plugs. Oh do i have to torq them down to a certin lbs?