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JDM Subaru Impreza WRX STi Manual transmission ratio chart

 
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Manual transmission ratio chart

5 Gear Transmissions

Transmission code 1st Gear 2nd Gear 3rd Gear 4th Gear 5th Gear FINAL Diff Code
TY752VB1AA 3.545 2.111 1.448 1.088 0.825 4.111 ?
TY752VB1BA 3.545 2.111 1.448 1.088 0.825 4.111 F,G (RA)
TY752VB1CA 3.454 2.333 1.750 1.354 0.871 4.111 F,G (RA)
TY752VB2AA 3.545 2.111 1.448 1.088 0.825 4.111  
TY752VB2CA 3.454 2.333 1.750 1.354 0.871 4.111  
TY752VB2DA 3.454 2.062 1.448 1.088 0.825 4.111  
TY752VB3AA 3.454 2.062 1.448 1.008 0.825 4.111 A
TY752VB3BA 3.454 2.333 1.750 1.354 0.972 4.111 A (RA)
TY752VB3CA 3.454 2.062 1.448 1.008 0.825 4.111 B
TY752VB3DA 3.454 2.333 1.750 1.354 0.972 4.111 B (RA)
TY752VB3EA 3.454 2.333 1.750 1.354 0.972 3.900 C (RA)
TY752VB3FA 3.454 2.062 1.448 1.088 0.825 4.111 C
TY752VB4AA 3.454 2.062 1.448 1.088 0.825 4.111  
TY752VB4BA 3.454 2.333 1.750 1.354 0.972 3.900  
TY752VB4CA 3.454 2.333 1.750 1.354 0.972 3.900  
TY752VB5BA 3.083 2.062 1.545 1.151 0.825 4.444 D,E (RA)
TY752VB5CA 3.083 2.062 1.545 1.151 0.825 4.444 D,E (RA)
TY752VB6EA - - - - - -  
TY752VBAAA 3.454 2.062 1.448 1.088 0.825 4.111 F,G
TY752VBBAA - - - - - -  
TY752VBCAA 3.166 1.882 1.296 0.972 0.738 4.444 D,E
TY752VBCBA 3.454 2.062 1.448 1.088 0.825 4.111  
TY754VB1BA 3.083 2.062 1.545 1.151 0.825 4.444 F,G (RA)
TY754VB1CA 3.083 2.062 1.545 1.151 0.825 4.444 F,G (RA)
TY754VB1EA 3.083 2.062 1.545 1.151 0.825 4.444  
TY754VBAAA 3.166 1.882 1.296 0.972 0.738 4.444 F,G
TY754VBACA 3.166 1.882 1.296 0.972 0.738 4.444  


Diff Code
Diff Front
Diff Rear
Center Diff
Wheel Size
A Open Screw refuse type LSD - 27011AA280 Screw refuse type LSD 205/55/15 6J
B Open Screw refuse type LSD - 27011AA280 Screw refuse type LSD 205/55/15 6J
C Open Screw refuse type LSD - 27011AA280 Screw refuse type LSD 205/50/16 6.5J
D Open Screw refuse type LSD - 27011AA280 Screw refuse type LSD 205/50/16 7J
E Open Sure truck mounted LSD Screw refuse type LSD 205/50/16 7J
F,G Open Sure truck mounted LSD Screw refuse type LSD 205/50/16 7J
         
A (RA)        
B (RA)        
C (RA) Open Mechanical cable type 2way LSD DCCD 205/50/16 6.5J
D (RA) Open Mechanical cable type 2way LSD (R180) DCCD 205/50/16 7J
E (RA) front helical LSD (R160) Mechanical cable type 2way LSD (R180) DCCD 205/50/16 7J
F,G (RA) front helical LSD (R160) Mechanical cable type 2way LSD (R180) DCCD 205/50/16 7J

6 Gear Transmissions

Trans. Code 1st Gear 2nd Gear 3rd Gear 4th Gear 5th Gear 6th Gear Final Center Diff. Type Front Diff. Type Notes
TY856WB1AA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 Viscous Open  
TY856WB1CA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 Viscous A.P. Suretrac  
TY856WB1BA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 DCCD (45:55) A.P. Suretrac  
TY856WB2GA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 Viscous A.P. Suretrac w/ external transmission cooler
TY856WB2DA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 DCCD (45:55) A.P. Suretrac w/ external transmission cooler
TY856WB3AA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 Viscous Open  
TY856WB3KA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 DCCD (35:65) A.P. Suretrac automatic DCCD system
TY856WB3JA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 DCCD (35:65) A.P. Suretrac automatic DCCD on 17 in. wheel only
TY856WB4AA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 Viscous Open  
TY856WB4KA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 DCCD (35:65) A.P. Suretrac automatic DCCD system
TY856WB4JA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 DCCD (35:65) A.P. Suretrac automatic DCCD on 17 in. wheel only
TY856WB6CA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 Viscous Open  
TY856WB6KA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 DCCD (35:65) A.P. Suretrac automatic DCCD system
TY856WB6JA 3.636 2.375 1.761 1.346 1.062 0.842 3.900 DCCD (35:65) Helical LSD automatic DCCD on 17 in. wheel only
TY856WH3MA 3.636 2.375 1.761 1.346 0.971 0.756 3.900 DCCD (35:65) A.P. Suretrac automatic DCCD system
TY856WH4MA 3.636 2.375 1.761 1.346 0.971 0.756 3.900 DCCD (35:65) A.P. Suretrac automatic DCCD system
TY856WW6MA 3.636 2.375 1.761 1.346 0.971 0.756 3.900 DCCD (35:65) Helical LSD automatic DCCD system / front axle design change
TY856WN*** 3.636 2.375 1.761 1.346 0.971 0.756 3.900 Viscous A.P. Suretrac  

 


JDM Subaru Models: Impreza WRX STI
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