LS6 Stock sparkplug???
#1
Le Mans Master
Thread Starter
LS6 Stock sparkplug???
What was the stock sparkplug that came in the LS6 motor?
#3
Le Mans Master
Thread Starter
Hell, I gotta do something. I've lost ~5 mph on the VIR backstretch from Dec to July. Granted, it was 40* in Dec and 90+* in July, and i'm sure that was part of it, but still, I need all the help I can get.
#5
Melting Slicks
same here. my car wont hit 150 like it did at the beginning of the year.