[s-cars] Replacing Spark Plugs after Compression Test

Kirby Smith kirby.a.smith at verizon.net
Thu Feb 5 13:03:25 EST 2004

22 lb-ft is determined by the characteristics of aluminum.  My Corvair
is spec'd for 20 lb-ft.  I never had a Corvair plug loosen, and the
heads are air cooled and run upwards of 600F.  I have had my S6 plugs
loosen, but none fortunately went flying.


Vincent Frégeac wrote:
> My plugs have been in and out many times. No loose plugs. I've never
> used my torque-wrench either. I just torque them by feeling, as I've
> done on all previous cars. So, I'm wondering: If people who use the
> 22lb.ft spec have loose plugs issues, could it means 22 lb.ft is a bit
> low. I think this weekend I will check what my feeling reads on my
> torque wrench to see how it compares to the 22lb.ft spec.
> Vincent.

More information about the S-CAR-List mailing list