1967 Chevrolet
Model, Motor, Rear-end
Identification
Motor Date & Suffix #
Example
F0512WM
F=Assembly Plant Flint
05=Assembled May
12=Assembled 12th Day of Month
WM=283 V-8 with Powerglide
Assembly Plants
F=Flint H=Hydramatic
K=Canada M=Mexico S=Saginaw
T=Tonowanda V=Flint
Engine Suffix Codes
For C or K Trucks Only
SV= 250CI-6cyl with
A.I.R.
SW=250CI-6cyl with A.I.R. &Automatic Transmission
SX=250CI-6cyl with A.I.R. ,H.D. Clutch, and 4spd Trans.
TA=250CI-6cyl with Manual Trans.
TC=250CI-6cyl Late 67's
TD=250CI-6cyl Late 67's
TE=250CI-6cyl with Powerglide or 3spd Automatic Trans.
TF=250CI-6cyl with H.D. Clutch & 4spd Manual Trans.
TS=292CI-6cyl with A.I.R. and 3spd Automatic
Trans.
UH=292CI-6cyl
UQ=292CI-6cyl with 3-speed Automatic Trans.
UR=292CI-6cyl
UT=292CI-6cyl with Powerglide
VQ=292CI-6cyl with A.I.R.
VR=292CI-6cyl with A.I.R. and Powerglide
UN=292CI-6cyl Late67's
WM=283CI-V8 175HP, Powerglide,
2BBL Carb., RPO=L-32
WW=283CI-V8 175HP, Powerglide, A.I.R., 2BBL Carb, RPO=L-32
WA=283CI-V8 175HP, Manual Trans., 2BBL Carb, RPO=L-32
WB=283CI-V8 175HP, Man.Trans., 2BBL Carb., A.I.R., RPO=L-32
WC=283CI-V8 175HP, 3spd Auto. Trans., 2BBL Carb., RPO=L-32
WD=283CI-V8 175HP, Man. Trans., 2BBL Carb., RPO=L-32
WE=283CI-V8 175HP, Powerglide, 2BBL Carb., RPO=L-32
WF=283CI-V8 175HP, Man.Trans.,A.I.R., 2BBL Carb., RPO=L-32
WG=283CI-V8 175HP, Man. Trans., 2BBL Carb., RPO=L32
WH=283CI-V8 175HP, Powerglide, A.I.R., 2BBL Carb., RPO=L-32
WI=283CI-V8 175HP, Man. Trans., 2BBL Carb., RPO=L-32
WL=283CI-V8 175HP, Man.Trans., 2BBL Carb., RPO=L-32
WO=283CI-V8 175HP, Man.Trans.,2BBL Carb., RPO=L-32
WR=283CI-V8 175HP, 3spd Auto. Trans., A.I.R., 2BBL Carb., RPO=L-32
YC=327CI-V8 220HP, Man.Trans.,
A.I.R., 4BBL Carb., RPO=L-77
YD=327CI-V8 220HP, Powerglide, A.I.R., 4BBL Carb., RPO=L-77
YH=327CI-V8 220HP, 3spd Auto., 4BBL Carb., RPO=L-77
YJ=327CI-V8 220HP, 3spd Auto., A.I.R., 4BBL Carb., RPO=L-77
YM=327CI-V8 220HP, Man. Trans., 4BBL Carb., RPO=L-77
YR=327CI-V8 220HP, Powerglide, 4BBL Carb., RPO=L-77
YS=327CI-V8 220HP, Man. Trans., 4BBL Carb., RPO=L-77
YX=327CI-V8 220HP, Man. Trans., A.I.R., 4BBL Carb., RPO=L-77
Rear Axle Codes
HA or MD=3.73
HB=3.07 HC=3.73Posi HD=4.11Overdrive
HQ=3.73 HU=4.57 HV=4.57Posi HW=4.11
HX=4.57 Dual Wheels
HY=4.57 Posi Dual Wheels HZ or ND=4.57 JQ=4.11Posi
LW, MC, MW, MY=4.57 LU, IC, MR, MO=5.14
ID, LV, MS, MV=5.14 Dual Wheels IE, MQ, MT=5.14Posi
IF, MU=5.14 Dual Wheels Posi JN=4.57
JS=4.57(with 327CI)
JT=4.57 Dual Wheels (With 327CI) JU=4.11 (With 327CI)
MP=4.57 MX=6.17
1968 Chevrolet
Model, Motor, Rear-end
Identification
Motor Date & Suffix #
Example
F0512WM
F=Assembly Plant Flint
05=Assembled May
12=Assembled 12th Day of Month
WM=307
Assembly Plants
F=Flint H=Hydramatic
K=Canada M=Mexico S=Saginaw
T=Tonowanda V=Flint
Engine Suffix Codes
For C or K Trucks Only
TA=250CI-6cyl, Man. Trans.
TC=250CI-6cyl Early68's
TD=250CI-6cyl Early68's
PF=250CI-6cyl, H.D. Clutch, 4spd Trans.
TE=250CI-6cyl, Auto. Trans.
TT=250CI-6cyl, Powerglide
PV=250CI-6cyl, Man. Trans.
PW=250CI-6cyl, Auto. Trans.
TF=250CI-6cyl, H.D. Clutch, 4spd. Trans.
PC=250CI-6cyl Late68's
PX=250CI-6cyl Late68's
UH=292CI-6cyl., Man. Trans.
UT=292CI-6cyl., Powerglide
UP=292CI-6cyl., 3spd. Auto. Trans.
UO=292CI-6cyl., Powerglide
U3=292CI-6cyl., Man. Trans.
UM=292CI-6cyl., Man. Trans.
UQ=292CI-6cyl., 3spd. Auto. Trans.
UN=292CI-6cyl.
UR=292CI-6cyl. Early68's
WA=307CI-V8 200HP, Man.
Trans., 2BBL Carb., RPO=L-14
WB=307CI-V8 200HP, Man. Trans., 2BBL Carb., RPO=L-14
WC=307CI-V8 200HP, 3spd Auto. Trans., 2BBL Carb., RPO=L-14
WD=307CI-V8 200HP, Man. Trans., 2BBL Carb., RPO=L-14
WE=307CI-V8 200HP, Powerglide, 2 BBL Carb., RPO=L-14
WF=307CI-V8 200HP, Powerglide, 2BBL Carb., RPO=L-14
WG=307CI-V8 200HP, Man. Trans., 2BBL Carb., RPO=L-14
WH=307CI-V8 200HP, Man. Trans., 2BBL Carb., RPO=L-14
WI=307CI-V8 200HP, Man. Trans., 2BBL Carb., RPO=L-14
WL=307CI-V8 200HP, Man. Trans., 2BBL Carb., RPO=L-14
WM=307CI-V8 200HP, Powerglide, 2BBL Carb., RPO=L-14
WN=307CI-V8 200HP, Man. Trans., 2BBL Carb., RPO=L-14
WO=307CI-V8 200HP, 3spd Auto. Trans., 2BBL Carb, RPO=L-14
WP=307CI-V8 200HP, 3spd Auto. Trans., 2BBL Carb., RPO=L-14
WQ=307CI-V8 200HP, Powerglide, 2BBL Carb., RPO=L-14
WR=307CI-V8 200HP, 3spd Auto. Trans., 2BBL Carb., RPO=L-14
WW=307CI-V8 200HP, Powerglide, 2BBL Carb., RPO=L-14
WY=307CI-V8 200HP, Man. Trans., 2BBL Carb., RPO=L-14
ZO=307CI-V8 200HP, 3spd Auto. Trans., 2BBL Carb., RPO=L-14
ZP=307CI-V8 200HP, Man. Trans., 2BBL Carb., RPO=L-14
ZQ=307CI-V8 200HP, 3spd Auto. Trans., 2BBL Carb., RPO=L-14
ZS=307CI-V8 200HP, Man. Trans., 2BBL Carb., RPO=L-14
ZX=307CI-V8 200HP, 3spd Auto. Trans., 2BBL Carb., RPO=L-14
ZY=307CI-V8 200HP, 3spd Auto. Trans., 2 BBL Carb., RPO=L-14
YA=327CI-V8 240HP, Man.Trans.,
4BBL Carb., RPO=L-73
YB=327CI-V8 240HP, Powerglide, 4BBL Carb., RPO=L-73
YC=327CI-V8 240HP, Man. Trans., 4BBL Carb., RPO=L-73
YD=327CI-V8 240HP, Powerglide, 4BBL Carb., RPO=L-73
YH=327CI-V8 240HP, 3spd Auto. Trans., 4BBL Carb., RPO=L73
YJ=327CI-V8 240HP, Powerglide, 4BBL Carb., RPO=L-73
YK=327CI-V8 240HP, 3spd Auto. Trans., 4BBL Carb., RPO=L-73
YL=327CI-V8 240HP, Man. Trans., 4BBL Carb., RPO=L-73
YM=327CI-V8 240HP, 3spd Auto. Trans., 4BBL Carb., RPO=L-73
YR=327CI-V8 240HP, Powerglide, 4BBL Carb., RPO=L-73
YS=327CI-V8 240HP, Man. Trans., 4BBL Carb., RPO=L-73
YT=327CI-V8 240HP, 3spd Auto. Trans., 4BBL Carb., RPO=L-73
YU=327CI-V8 240HP, 3spd. Auto. Trans., 4BBL Carb., RPO=L-73
YV=327CI-V8 240HP, 3spd. Auto. Trans., 4BBL Carb., RPO=L-73
YX=327CI-V8 240HP, Man. Trans., 4BBL Carb., RPO=L-73
XE=396CI-V8BB Man.
Trans.,A.I.R., 4BBL Carb.
XF=396CI-V8BB Man. Trans., 4BBL Carb.
XG=396CI-V8BB 3spd. Auto. Trans., A.I.R., 4BBL Carb.
XH=396CI-V8BB 3spd. Auto. Trans., 4BBL Carb.
XK=396CI-V8BB 2BBL Carb.
XL=396CI-V8BB 2BBL Carb., 3spd Auto. Trans.
XM=396CI-V8BB 2BBL Carb., 3spd Auto. Trans.
XN=396CI-V8BB 2BBL Carb.
Rear Axle Codes
Series 10
Series 10 Positraction
3.07=HB, LL, RA, TR, TT
3.73=HC, HN, MU, TU
3.73=HA, HJ, HQ, MF, TQ 4.11=HO, HP,
JQ, MI, MK,
4.11=HK, HL, HR, ME, MG, TS
TV
Series 20
Series 20 Positraction
3.73=MT
3.73=MU
4.10=OT
4.11=MM
4.11=HW, JU, LN, ML, MW, MZ
4.57=HV, HY, IB
4.57=OU, HU, HX, HZ, IA, JS, JT,
MV, ND
Series 30
Series 30 Positraction
4.10=TM, TN, TP
4.11=IE, LX, LZ
4.11=IH, LJ, NZ
4.57=VL, VM, VN, VO
4.57=IG, LW, MC, NW, TJ, TK, TL
5.14=IF, LY
5.14=ID, LV, TO, TX, TY, VF, VS
6.17=MX