62mm is just fine for you most likely. TBs work just like exhaust piping - go too big and you lose flow velocity. 62mm is also stock ITR size by the way.
1Greyteg I've missed you!!!

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'98 Integra LS - non-VTEC autocross / daily driver (aka Track-Tested / Mother Approved)
Daily-driven 87 octane Porsche destroyer
Latest Auto-X: 5th overall in class (7th/12 Day 1, 2nd Day 2). 10th/92 overall Day 2.
Complete mod list and updated race results here:
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Autocrossing for a day is the best $25 you can spend