1969 Axle Ratio Codes

1968 Chevrolet Chevelle 300, Not Available, 6.5L EngSECTION 1969 Axle Ratio Codes
Buick

Axle Ratio Conventional Positive Traction
2.56-1 PB, LK LT, PN
2.73-1 NK, LL LO, NO
2.78-1 PL PO
2.93-1 LB, NJ, MA, ME LW, NX, MX, MM
3.07-1 PJ, PG PM, PV
3.23-1 LC, MG, MJ, NB LP, MT, MP, NT, PR
3.42-1 OH OO, PY, MO, MS
3.64-1   ON
Chevy Nova

Axle Ratio Conventional Positraction
2.56-1 BA, PB BB, PC
2.73-1 BI, BP BQ, PX
3.07-1 BL BR
3.08-1 PA PE
3.31-1 BM BS
3.36-1 BC BD
3.55-1 BN BT
3.73-1 BO BU
4.10-1   BV
4.56-1   BW
4.88-1   BX
Chevelle

Axle Ratio Conventional Positraction
2.55-1   KB
2.56-1 CJ, CL, CN, CQ CK, CM, CO, CS
2.73-1 CP, CT, KD, FH CH, KC, KE, FI
3.07-1 CX CD, KX
3.08-1 CA, KG, FJ CE, KH, FK
3.31-1 CW CF
3.36-1 CB, KI, FL CG, KL, FM
3.55-1 KA, KJ, KN, FN KF, KP, FO
3.73-1 CC CI
4.10-1   KK
4.56-1   KM
4.88-1   KO
Chevrolet

Axle Ratio Conventional Positraction
2.29-1 EB EC
2.56-1 EP, FT, PW EG, FU, FV, FX
2.73-1 DZ, EZ, GK DX, DY, GM
3.07-1 EM, EN, GS DF, GT, GW
3.08-1 DA, GQ DG, GR
3.31-1 DD, DE DH, GH
3.36-1 DB, EU DI, GU
3.55-1 DC, DQ, EO DJ, DK, GP, GV, GX
3.70-1   DL
3.73-1 EL DM
4.10-1   DN
4.56-1   DO
4.88-1   DP
Camaro

Axle Ratio Conventional Positraction
2.56-1 BA, PB, PY BB, PC, PZ, QS
2.73-1 BI, BP BQ, PX, QT
3.07-1 BL BR, QU
3.08-1 PA PE
3.31-1 BM BS, QV
3.36-1 BC BD
3.55-1 BN BT, QW
3.73-1 BO BU, QX
4.10-1   BV, QY
4.56-1   BW, QZ
4.88-1   BX, QN
Corvette

Axle Ratio Conventional Positraction H-D Posi.
2.73-1     AY
3.08-1   AL, AV AT, AW
3.36-1 AK AM AU
3.55-1   AN AZ
3.70-1 AS AO FA
4.11-1   AP FB
4.56-1   FC  
Pontiac

Axle Ratio Conventional Safe-T-Track
2.29-1 UA VA
2.41-1 UB VB
2.56-1 UC VC
2.73-1 UD VD
2.93-1 UE VE
3.08-1 UF VF
3.23-1 UG VG
3.42-1 UH VH
3.55-1   VJ
3.73-1   VK
4.11-1   VM
Tempest

Axle Ratio Conventional Safe-T-Track
2.56-1 WB XB
2.78-1 WC XC
2.93-1 WD XD
3.08-1 WE XE
3.23-1 WF XF
3.36-1 WG XG
3.55-1 WH XH
3.90-1 WK XK
Firebird

Axle Ratio Conventional Safe-T-Track
2.56-1 YB ZB
2.78-1 YC ZC
2.93-1 YD ZD
3.08-1 YE ZE
3.23-1 YF ZF
3.36-1 YG ZG
3.55-1 YH ZH
3.90-1   ZK
4.33-1   ZM
Grand Prix

Axle Ratio Conventional Safe-T-Track
2.93-1 2D, 4D 5D
3.08-1 ZE, 4E 5E
3.23-1 ZF, 4F 5F
3.36-1 4G 7G
3.55-1 4H 7H
3.90-1   7K
Oldsmobile

Axle Ratio Conventional Anti-Spin
2.56-1 R2, R6, R8, TR, QC, QQ R3, R7, R9, TH, QD, QR
2.73-1 RA, TT RB, TJ
2.78-1 SA, S2, TA, RA SB, S3, TB, RB
2.93-1 QI, QU QJ, QV
3.07-1 RC, T4 RD, T5
3.08-1 SC, S4, SM, RC SD, S5, SN, RD
3.23-1 SE, S6, SO, RE SF, S7, SP, RF
3.31-1 RE, T6 RF, T7
3.42-1   TM, S9
3.55-1   TL
3.73-1   TN
3.91-1   TO, T3
4.33-1   TY
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.