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Old 01-17-2010, 03:39 PM   #1
68 longbed
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4.3 identity

I just bought and installed a 4.3 v6 into my 70 pu and would like to know what this suffix code means [FLX]. Any help greatly appreciated as I've been goggling forever it seems and can't find any information.
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Old 01-17-2010, 04:17 PM   #2
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Re: 4.3 identity

mortec.com should help
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Old 01-17-2010, 05:14 PM   #3
68 longbed
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Re: 4.3 identity

Quote:
Originally Posted by '72customdeluxe View Post
mortec.com should help
been there no help.
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Old 01-18-2010, 02:56 PM   #4
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Re: 4.3 identity

Can't any one help?
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Old 01-18-2010, 04:16 PM   #5
Mr Chevorlet
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Re: 4.3 identity

The FLX refers to a 1991 model, scroll almost to the bottom and that what its under


This will show you how to break down your VIN (vehicle identification number) and also give you your engine block ID number... Characters Sample VIN
1GT D T 1 8 Z 0 J 8 100001
1,2, 3
1GT
Division 1GC = Chevrolet
1GT = GMC
4 D
GVW Range and Brake System B = 3001-4000 Hydraulic
C = 4001-5000 Hydraulic
D = 5001-6000 Hydraulic
5 T
Line and Chassis type S = 2 wheel drive
T = 4 wheel drive
6
1
Series 1 = 1/2 Ton
7
8
Body Type 4 = Pickup 8 = Blazer / Jimmy
8 Z
Engine Description 1982 A = 1.9L 4 Cyl B = 2.8L V6
1983 A = 1.9L 4 Cyl B = 2.8L V6 Y = 2.0L 4 Cyl
1984 A = 1.9L 4 Cyl B = 2.8L V6 S = 2.2L 4 Cyl Diesel Y = 2.0L 4 Cyl
1985 A = 1.9L 4 Cyl B = 2.8L V6 E = 2.5L 4 Cyl S = 2.2L 4 Cyl Diesel
1986 & 87 E = 2.5L 4 Cyl R = 2.8L V6
1988 - 90 E = 2.5L 4 Cyl R = 2.8L V6 Z = 4.3L V6
1991 A = 2.5L 4 Cyl E = 2.5L 4 Cyl R = 2.8L V6 Z = 4.3L V6
1992 - 93 A = 2.5L 4 Cyl R = 2.8L V6 W = 4.3L V6 Z = 4.3L V6
9 0
Check digit
10
8
Model Year C = 1982
D = 1983
E = 1984
F = 1985
G = 1986
H = 1987
J = 1988
K = 1989
L = 1990
M = 1991
N = 1992
P = 1993
R = 1994
11
8
Assembly Plant B = Baltimore, MD
E = Pontiac, MI
F = Flint, MI
J = Janesville, WI
T = Tarrytown, NY
V = Pontiac, MI
Z = Ft Wayne, IN
0 = Pontiac, MI
1 = Oshawa, ONT, Canada
2 = Moraine, OH
3 = Detroit, MI
4 = Scarborough, ONT, Canada
7 = Lordstown, OH
8 = Shreveport, LA
12-17 100001
Build Sequence Number



Engine Identification Numbers
The 6 Cyl engine numbers are stamped on a pad located on the right side of the engine at the rear of the distributor...

S10 = Chevy and S15 = GMC
S10 and S15 = 2 wheel drive and T10 and T15 = 4 wheel drive through all years

1.9L VIN code A 4 Cyl 116 CID

1982 s10 & s15
TMA, TMB, TMF, TMK, TML, TMM, TMR, TMS
1983 S10, S15 & T10, T15

UMB, UMC UMD, UMF, UMH, UMJ, UMK, UMM
1984 S10 S15 & T10 T15

FZJ, FZK, FZM, FZN, FZR, FZS, FZT, FZU 1985 S10 & S15 FJJ, FZJ, FZK


2.0L VIN Code Y 4 Cyl 122 CID
1983 S10 S15 & T10 T15

FKM, FKU, FKW, UKA, UKB, UKC,UKD, UKF, UKK, UKM, UKU, UKW, UKX, UKY, UKZ, ULA, ULJ, ULM, UWA, UWB, UWC, UWM
1984 S10 S15 & T10 T15

FKA, FAB, FKC, FKD, FKH, FKZ, FWA, FWB, FWC, FWD, FWF, FWH, FWJ, FWK, FWM, FWN, FWR, FWS, FWT, FWU, FWW, FWX, FWY, FWZ, FXL,FXM, FXS, FXT, FXU,FFX

2.2L Diesel VIN code S 4 Cyl 1984 S10 & S15
FZW, UMU 1985 S10 & S15 FZW, PZW, UMU

2.5L VIN code E 4 Cyl 151 CID
1985 S10 S15 & T10 T15

AAK, AAL, ABM, ABS, AHL, AKA, AKB
1986 S10 S15 & T10 T15

ABM, ABS, B4L, B4M, B4P, B4S, BBK, BBL, BBR,BBS, BBU
1987 S10 S15 & T10 T15

WTC, WTD, WTF, WTH, WTJ, WTK, WTL
1988 S10 S15 & T10 T15

XHF, XHH, XJN,XJP
1989 S10 S15 & T10 T15

ANJ, ANL, TKA, TKC
1990 S10 S15 & T10 T15

BUP, BUR
1991 S10 S15

BUP, BUR

2.5L VIN code A 4 Cyl 151 CID
1991 S10 & S15

CWC, CWD
1992 S10 & S15

CWC, CWD, CXA
1993 S10 & S15

CWC, CWD, CXA

2.8L VIN code B V6 173 CID
1982 S10 & S15

TAD, TAF, TAH, TAJ, TAK, TAL, TAM, TAR, TAS, TAT, TAU, TAW, TAX, TAY, TWA, TWD, TWF, TWH,TWJ
1983 S10 S15 & T10 T15

UNA, UNC, UNR, UNS, UNV, UNZ, UWL, UWZ, UWY, UWZ, UXC, UXD, UXJ, UXK, UXY, UXZ,UYC, UYD, UYF, UYX, UYY, UZB, UZF, UZK, UZM, UZU, UZW
1984 S10 S15 & T10 T15

FXY, FXZ, FYA, FYB, FYC, FYD, FYF, FYH, FYJ, FYK, FYM, FYN, FYR, FYS, FYT, FYU, FYX, FYY, FYZ, FZA, FZB, FZC, FZD, FZF, FZM
1985 S10 S15 & T10 T15

TAA, TAB, TAC, TAD, TAF, TAH, TAJ, TAK, TAM, TAR, TAS, TAT, TAU, TAW, TAX, TAY, TAZ, TBB, TBC, TBD, TBF, TBH, TBN, TBP

2.8L VIN code R V6 173 CID
1986 S10 S15 & T10 T15

GCA, GCB, GCC, GCD, GCF, GCG, GCH, GCJ, UCF, UCH, UCJ, UCK
1987 S10 S15 & T10 T15

FDA, FDB, FDC, FDD
1988 S10 S15 & T10 T15

PCA, PCB, PCC, PCD, PCF, PCH
1989 S10 S15 & T10 T15

TMA, TMB, TMC, TMD, TMF, TMH
1990 S10 & S15

TMA, UJC
1991 S10 & S15

FKJ, UJC
1992 S10 & S15

XHF
1993 S10 & S15

AAZ

4.3L VIN code Z V6 262 CID
1988 S10 S15 & T10 T15

PAN, PBN, PBR, XXC
1989 S10 S15 & T10 T15

THA, THB, THC, THT,THU, THW, XXC
1990 S10 S15 & T10 T15

UTM, UTN, UTP, UUK, UWC, UWD, UWF, UWH, UWJ, UWK, UWL, UWM, UWN XXC
1991 S10 S15 & T10 T15

FLY, FLX, FMK,FMA, FMB, FMC,FMX, UTM, UTN, UTP, UUK, UWC, UWD, UWF, UWH, UWK, UWM
1992 S10 S15 & T10 T15

XFA, XFB, XFC, XFD, XFN, XFS, XFT, XFU, XFY, XJB, XJC, XJD
1993 S10 S15 & T10 T15

AJF, AJH, AJJ, AJK, AJN, AJP, AJS, AJU, AJW, AJX, AJY

4.3L VIN code Z V6 262 CID Turbo
1991 S15 & T15

Turbo 1LD

1992 S15 & T15

Turbo 2LD

1993 S15 & T15

3LD

4.3L VIN Code W V6 262 CID
1992 S10 S15 & T10 T15

XFK, XFW

1993 S10 S15 & T10 T15

AJD, AJL, AJT
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Old 01-18-2010, 06:39 PM   #6
68 longbed
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Re: 4.3 identity

Thank you very much Mr Chevrolet. This really helps alot
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