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Old 01-28-2019, 05:34 AM   #8249
jflogerzi
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Drives: 2013 Series 10 6MT FR-S
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Garage
Now the next question 70mm vs 72.5. car will mostly run e85 but I will not be going flex fuel right away( in the future I will) so from time to time I may need to run 91. Also at the track I would only run 91 and maybe mix in some higher octane to help with knock protection Iam picking up a used 210 with intercooler setup. I am leaning towards the 72.5 for the best balance for when running 91. Also plan on running stock pump and injectors. Thoughts?

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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber
JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85
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ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's
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