View Single Post
  #2 (permalink)  
Old 07-26-2013, 01:42 PM
PLDRIVE PLDRIVE is offline
CC Member
Visit my Photo Gallery

 
Join Date: Jan 2008
Location: Nashville, TN
Cobra Make, Engine: Backdraft, SBF 351w (463 CI)
Posts: 272
Not Ranked     
Default

I would start with a 6 or 7 (6 being hotter). But u can call or email NGK for better advice.

MP
Reply With Quote