What spark plugs for a 22 Golf R tuned with APR stage 1?
Replace with stock, NGK Iridium BKR8EIX, or NGK R7437-9? Two steps colder seems overkill for a stage 1 but I don't know.
Posted Apr 9, 2025, 8:17 PM UTC
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Replace with stock, NGK Iridium BKR8EIX, or NGK R7437-9? Two steps colder seems overkill for a stage 1 but I don't know.
Posted Apr 9, 2025, 8:17 PM UTC