Spark Plug Question
09-21-2012, 01:07 AM
#1
Spark Plug Question
I have to temporarily revert my tc1 back to N/A from F/I and wanted to know if N/A can still use 1 step colder plugs. Currently using NGK BKR7EIX-11 plugs (gapped 0.026~0.03) and I know this is too small for N/A. I've got a new set that are pre-gapped to 0.044, just need to know if I can still use the 1 step colder.
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