Thread: 1 colder plugs?
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Old 03-21-2008, 05:34 PM   #3
Scooby Specialist
Member#: 74167
Join Date: Nov 2004
Chapter/Region: NESIC
Location: Tewksbury, MA
2011 WRX Sedan WRB
TP Stage 2, w/cust tweaks


I've been running 1-step colder double platinum for the last 30k miles or so with 0 problems...ran them in 100 degree temps and 0 degree temps. The idle is alot smoother I think and the car runs fantastic...typical stage 2 but fully tuned 17.5 psi right now.
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