[s-cars] Spark Plugs - loose

[Wayne Dohnal]

I'm don't want to discourage anybody from checking their plugs, but this
definitely looks like a YMMV situation.  I installed new plugs a little over
a year ago and torqued to 22 ft-lb.  Checked them a week later and they all
turned maybe a tenth of a turn.  Checked them about 6 months ago, all were
tight.  Checked them a couple of days ago, all were tight.  When I bought
the car 1-1/2 years ago, three plugs were loose.  I will continue to check
them periodically, but I'm really thankful they're staying put.

Wayne Dohnal
1994 S4
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Recent history with my 95.5 S6 spark plugs:
22 f-lbf.  They were loose the next day.
25 f-lbf.  They were loose the next week
1 April 2003: 30 f-lbf.  They didn't get mushy on torquing, and the plugs
were still tight last week.

I don't like the idea of going so far over a spec like that, but I really
hate the idea of spark plugs blowing free.

My .02