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- Sun Jan 04, 2026 8:51 pm
- Forum: Civic Si 2006-2011 Americas
- Topic: FG2/FA5, completely stock, tuned question
- Replies: 1
- Views: 6245
FG2/FA5, completely stock, tuned question
Does anyone know if it is safe to take the "FG2/FA5, completely stock, tuned" tune and change nothing but the VTEC engagement to 4350 rpm for both the lower and upper window without running into issues? If not, does anyone have a tune that I can download that will do so? Just got my FlashPro ...