Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB - View Single Post - Final drive higher or lower for auto turbo?

gen3v8 · 11-30-2022, 06:02 AM

4.56 fd will be slower top speed. If you want more top speed you need to go a lower number than 3.9 fd. ie 2.9 direction.

11-30-2022, 06:02 AM	#3
gen3v8 30 minute maintenance Join Date: Oct 2020 Drives: My18 wrxsti Location: Botany Bay Posts: 1,178 Thanks: 769 Thanked 1,236 Times in 631 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	4.56 fd will be slower top speed. If you want more top speed you need to go a lower number than 3.9 fd. ie 2.9 direction.