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countrycorey

Trust Me I'm an Engineer
Jan 30, 2010
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After deciphering the RPO codes, it shows I have a Getrag 5LM60 and 3.42 gears. Seems to run more rpms that I thought one with 3.42s would, but not sure as I've never had a vehicle with that gear in it.

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darkness

Active member
Jul 15, 2009
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vegas
I wasn’t stating which one was better just that you can in fact put a distributer on the ls motor.
 

TheBac

Why do I keep doing this?
Staff member
Apr 19, 2008
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Mid Michigan
Update:

I've daily'd it for the last two weeks and other than the loud ass holey exhaust and rattle can cat, it drives pretty good. Also, I found the glove box internals with the list of RPO codes. Now to decode it a d see what I have
6b45e9a5ae6567cdde42198356b0b8e1.jpg


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Here's the RPO code list for the truck:


1GNEK18K8RJ361714​

Vehicle: BLAZER 1/2 TON
Year: 1994
Build Date: 1994-02-04
RPODescription
UM6RADIO,AM/FM STEREO,CASSETTE,ETR,INCLUDES CLOCK STEREO CASSETTE(UM6)
UW0SPEAKER SYSTEM 4,DUAL FRONT INSTRUMENT PANEL MOUNTED,DUAL ROOF MOUNTED SPKR SYS(UW0)
VK3LICENSE PLATE,FRONT MOUNTING PACKAGE FRT LIC PLT MTG PKG(VK3)
VXSVEHICLE - COMPLETE
V22GRILLE,RADIATOR(CHROME) CHROME GRL(V22)
V27FRONT BUMPER GUARDS FRT BPR GUARDS(V27)
V73VEHICLE STATEMENT - US/CANADA US/CANADA VEHICLE STATEMENT(V73)
XGLTIRE FRONT LT265/75R16/C BL R/PE ST OOR(9591657) TIRE(XGL)
X88CONVERSION CHEVROLET CHEVROLET(X88)
YD3AXLE FRONT (BASE EQUIP) FOR SCHEDULING GVW PLATE FRT AXLE(YD3)
YD6SPRING,REAR(BASE EQUIPMENT) RR SPRING(YD6)
YE9CONVENIENCE PKG COMFORT & DECOR LEVEL #3 COMFORT & CONVENIENCE PKG #3(YE9)
YGLTIRE REAR LT265/75R16/C BL R/PE ST OOR(9591657) TIRE(YGL)
ZGLTIRE SPARE LT265/75R16/C BL R/PE ST OOR(9591657) SPARE TIRE(ZGL)
ZP6Unknown
ZQ2DRIVER CONVENIENCE PACKAGE DRVR CONVENIENCE PKG(ZQ2)
ZQ3DRIVER CONVENIENCE PACKAGE II(MERCHANDISING OPTION) DRVR CONVENIENCE PKG(ZQ3)
ZY1COLOR COMBINATION SOLID SOLID PAINT COMBO(ZY1)
1SCPACKAGE-OPTION 03 (1SC)
1SZPACKAGE OPTION- (1SZ)
13DTRIM COMBINATION CLOTH,LT GRAY (13D)
13IINTERIOR TRIM,LT SMOKE GRAY (13I)
50UEXTERIOR COLOR ,PRIMARY,OLYMPIC WHITE (50U)
6GCSPRING COMPTR SELECT FRT LH SUSP(6GC)
7GCSPRING COMPTR SELECT FRT RH SUSP(7GC)
AJ1GLASS,DEEP TINT(REAR SIDE WINDOWS AND REAR DOOR WINDOW) DEEP TINTED GLS(AJ1)
AM7SEAT,REAR FOLDING RR FLDG ST(AM7)
AU3LOCK,SIDE DOOR,ELECTRIC ELEC S/D LK(AU3)
AU6LOCK,TAILGATE,REMOTE CONTROL,ELECTRIC RELEASE ELEC REL TAILGATE LK(AU6)
AXPVIN IDENT POSITION, MULTI- PURPOSE VEHICLE MULTI-PURPOSE VEHICLE VIN POSITION(AXP)
A31WINDOW,ELECTRIC OPERATED,SIDE ELEC SI WDO(A31)
A95SEAT,FRONT BUCKET,DRIVER,PASSENGER,HIGH BACK RECLINING FRT HIGH BACK RECL BKT ST(A95)
B32COVERING,FLOOR MATS,FRONT AUXILIARY FRT AUX FLR MATS(B32)
B33COVERING,FLOOR MATS,REAR AUXILIARY RR AUX FLR MATS(B33)
B85ORNAMENTATION,EXTERIOR,BELT REVEAL MOLDING BELT RVL MLDG(B85)
B96ORNAMENTATION,EXTERIOR,WHEEL OPENING MOLDING(BRIGHT) WHL OPG MLDG(B96)
C25WIPER SYSTEM,REAR WINDOW RR WDO WPR(C25)
C49DEFOGGER,REAR WINDOW,ELECTRIC ELEC RR WDO DEFG(C49)
C5PUnknown
C60AIR CONDITIONER,FRONT,MANUAL CONTROLS A/C MAN CONT(C60)
DK6CONSOLE,ROOF RF CNSL(DK6)(EXPORT)
D48MIRROR O/S LH & RH, REMOTE CONTROL, ELECTRIC, COLOR ELEC R/CON PAINTED O/S MIR(D48)
D55CONSOLE,FRONT COMPARTMENT FLOOR F/CMPT FLR CNSL(D55)(EXPORT)
E55GATE,END END GATE(E55)
FE9FEDERAL EMISSION CERTIFICATION FED EMIS(FE9)
FK2ARM,TORSION BAR,SPRING ADJUST,LH TORS BAR SPR ADJ ARM(FK2)
FK3ARM,TORSION BAR,SPRING ADJUST,RH TORS BAR SPR ADJ ARM(FK3)
GU6AXLE,REAR,3.42 RATIO 3.42R(GU6)
JANPLANT CODE - JANESVILLE, WI, BOC JANESVILLE,WI ASSEMBLY PLANT(JAN)
JB5BRAKE SYSTEM,VACUUM POWER DISC,DRUM VACUUM PWR BRK SYS(JB5)
K34CRUISE CONTROL,AUTOMATIC,ELECTRONIC CRCONT(K34)
K60GENERATOR,100 AMPERE 100 AMP(K60)
L05ENGINE,5.7L(5.7-7)GAS 8 CYLINDER 5.7-7(L05)
MG5TRANSMISSION,MANUAL 5-SPEED(GETRAG) GETRAG 5-SPD M/TRANS(MG5)
MM5TRANSMISSION,MANUAL 5-SPEED PROVISIONS(MERCHANDISING OPTION) 5-SPD M/TRANS PROVISIONS(MM5)
NA1EMISSION SYSTEM,LESS THAN 8500 LB GVW EMIS SYS(UNDER 8500 LB GVW)(NA1)
NA5EMISSION SYSTEM,FEDERAL REQUIREMENTS FEDERAL EMIS(NA5)
NK3STEERING WHEEL,SPORT,SOFT RIM,SIMULATED LEATHER SIMULATED LEATHER STRG WHL(NK3)
NRQEXHAUST,CLOSE COUPLED CLOSE COUPLED EXH(NRQ)
N33STEERING COLUMN,TILT TYPE(EXPORT) TILT STRG COL(N33)(EXPORT)
PF4WHEEL,16X7(ALUMINUM) AL WHL(PF4)
QIXTIRE ALL LT265/75R16/C BL R/PE ST TL OOR TIRE(QIX)
R7RCONTROL - SALES ITEM NO. 42
R9ZCONTROL - SALES ITEM NO.100
SLLSOLD ORDERS SOLD ORDER(SLL)
TR9LAMP GROUP,COURTESY LP GRP(TR9)
 

countrycorey

Trust Me I'm an Engineer
Jan 30, 2010
1,469
14
38
LA
Here's the RPO code list for the truck:


1GNEK18K8RJ361714​

Vehicle: BLAZER 1/2 TON
Year: 1994
Build Date: 1994-02-04
RPODescription
UM6RADIO,AM/FM STEREO,CASSETTE,ETR,INCLUDES CLOCK STEREO CASSETTE(UM6)
UW0SPEAKER SYSTEM 4,DUAL FRONT INSTRUMENT PANEL MOUNTED,DUAL ROOF MOUNTED SPKR SYS(UW0)
VK3LICENSE PLATE,FRONT MOUNTING PACKAGE FRT LIC PLT MTG PKG(VK3)
VXSVEHICLE - COMPLETE
V22GRILLE,RADIATOR(CHROME) CHROME GRL(V22)
V27FRONT BUMPER GUARDS FRT BPR GUARDS(V27)
V73VEHICLE STATEMENT - US/CANADA US/CANADA VEHICLE STATEMENT(V73)
XGLTIRE FRONT LT265/75R16/C BL R/PE ST OOR(9591657) TIRE(XGL)
X88CONVERSION CHEVROLET CHEVROLET(X88)
YD3AXLE FRONT (BASE EQUIP) FOR SCHEDULING GVW PLATE FRT AXLE(YD3)
YD6SPRING,REAR(BASE EQUIPMENT) RR SPRING(YD6)
YE9CONVENIENCE PKG COMFORT & DECOR LEVEL #3 COMFORT & CONVENIENCE PKG #3(YE9)
YGLTIRE REAR LT265/75R16/C BL R/PE ST OOR(9591657) TIRE(YGL)
ZGLTIRE SPARE LT265/75R16/C BL R/PE ST OOR(9591657) SPARE TIRE(ZGL)
ZP6Unknown
ZQ2DRIVER CONVENIENCE PACKAGE DRVR CONVENIENCE PKG(ZQ2)
ZQ3DRIVER CONVENIENCE PACKAGE II(MERCHANDISING OPTION) DRVR CONVENIENCE PKG(ZQ3)
ZY1COLOR COMBINATION SOLID SOLID PAINT COMBO(ZY1)
1SCPACKAGE-OPTION 03 (1SC)
1SZPACKAGE OPTION- (1SZ)
13DTRIM COMBINATION CLOTH,LT GRAY (13D)
13IINTERIOR TRIM,LT SMOKE GRAY (13I)
50UEXTERIOR COLOR ,PRIMARY,OLYMPIC WHITE (50U)
6GCSPRING COMPTR SELECT FRT LH SUSP(6GC)
7GCSPRING COMPTR SELECT FRT RH SUSP(7GC)
AJ1GLASS,DEEP TINT(REAR SIDE WINDOWS AND REAR DOOR WINDOW) DEEP TINTED GLS(AJ1)
AM7SEAT,REAR FOLDING RR FLDG ST(AM7)
AU3LOCK,SIDE DOOR,ELECTRIC ELEC S/D LK(AU3)
AU6LOCK,TAILGATE,REMOTE CONTROL,ELECTRIC RELEASE ELEC REL TAILGATE LK(AU6)
AXPVIN IDENT POSITION, MULTI- PURPOSE VEHICLE MULTI-PURPOSE VEHICLE VIN POSITION(AXP)
A31WINDOW,ELECTRIC OPERATED,SIDE ELEC SI WDO(A31)
A95SEAT,FRONT BUCKET,DRIVER,PASSENGER,HIGH BACK RECLINING FRT HIGH BACK RECL BKT ST(A95)
B32COVERING,FLOOR MATS,FRONT AUXILIARY FRT AUX FLR MATS(B32)
B33COVERING,FLOOR MATS,REAR AUXILIARY RR AUX FLR MATS(B33)
B85ORNAMENTATION,EXTERIOR,BELT REVEAL MOLDING BELT RVL MLDG(B85)
B96ORNAMENTATION,EXTERIOR,WHEEL OPENING MOLDING(BRIGHT) WHL OPG MLDG(B96)
C25WIPER SYSTEM,REAR WINDOW RR WDO WPR(C25)
C49DEFOGGER,REAR WINDOW,ELECTRIC ELEC RR WDO DEFG(C49)
C5PUnknown
C60AIR CONDITIONER,FRONT,MANUAL CONTROLS A/C MAN CONT(C60)
DK6CONSOLE,ROOF RF CNSL(DK6)(EXPORT)
D48MIRROR O/S LH & RH, REMOTE CONTROL, ELECTRIC, COLOR ELEC R/CON PAINTED O/S MIR(D48)
D55CONSOLE,FRONT COMPARTMENT FLOOR F/CMPT FLR CNSL(D55)(EXPORT)
E55GATE,END END GATE(E55)
FE9FEDERAL EMISSION CERTIFICATION FED EMIS(FE9)
FK2ARM,TORSION BAR,SPRING ADJUST,LH TORS BAR SPR ADJ ARM(FK2)
FK3ARM,TORSION BAR,SPRING ADJUST,RH TORS BAR SPR ADJ ARM(FK3)
GU6AXLE,REAR,3.42 RATIO 3.42R(GU6)
JANPLANT CODE - JANESVILLE, WI, BOC JANESVILLE,WI ASSEMBLY PLANT(JAN)
JB5BRAKE SYSTEM,VACUUM POWER DISC,DRUM VACUUM PWR BRK SYS(JB5)
K34CRUISE CONTROL,AUTOMATIC,ELECTRONIC CRCONT(K34)
K60GENERATOR,100 AMPERE 100 AMP(K60)
L05ENGINE,5.7L(5.7-7)GAS 8 CYLINDER 5.7-7(L05)
MG5TRANSMISSION,MANUAL 5-SPEED(GETRAG) GETRAG 5-SPD M/TRANS(MG5)
MM5TRANSMISSION,MANUAL 5-SPEED PROVISIONS(MERCHANDISING OPTION) 5-SPD M/TRANS PROVISIONS(MM5)
NA1EMISSION SYSTEM,LESS THAN 8500 LB GVW EMIS SYS(UNDER 8500 LB GVW)(NA1)
NA5EMISSION SYSTEM,FEDERAL REQUIREMENTS FEDERAL EMIS(NA5)
NK3STEERING WHEEL,SPORT,SOFT RIM,SIMULATED LEATHER SIMULATED LEATHER STRG WHL(NK3)
NRQEXHAUST,CLOSE COUPLED CLOSE COUPLED EXH(NRQ)
N33STEERING COLUMN,TILT TYPE(EXPORT) TILT STRG COL(N33)(EXPORT)
PF4WHEEL,16X7(ALUMINUM) AL WHL(PF4)
QIXTIRE ALL LT265/75R16/C BL R/PE ST TL OOR TIRE(QIX)
R7RCONTROL - SALES ITEM NO. 42
R9ZCONTROL - SALES ITEM NO.100
SLLSOLD ORDERS SOLD ORDER(SLL)
TR9LAMP GROUP,COURTESY LP GRP(TR9)
Thank you Tom!

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TheBac

Why do I keep doing this?
Staff member
Apr 19, 2008
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83
Mid Michigan
OK, now this is pretty cool. I found the OEM order sheets on GMHeritageCenter. They explain whats in the different packages described above, like ZQ2, ZQ3, etc.
 

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countrycorey

Trust Me I'm an Engineer
Jan 30, 2010
1,469
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38
LA
OK, now this is pretty cool. I found the OEM order sheets on GMHeritageCenter. They explain whats in the different packages described above, like ZQ2, ZQ3, etc.
That's awesome!

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countrycorey

Trust Me I'm an Engineer
Jan 30, 2010
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LA
Ok so this happened this morning. It had been rattling since I bought it in its defense though. The top half is still hanging in there but I don't think it'll hang on much longer
ffafdde0c6352005a46272a386ca49ee.jpg


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countrycorey

Trust Me I'm an Engineer
Jan 30, 2010
1,469
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38
LA
Time for another update

Spent one afternoon a few weeks ago working on replacing the Coil along with fixing the Filler neck and vent hoses. Drivability definitely improved and I will finally be able to fill it up without leaking Fuel out of the Filler neck.

Also still accumulating AC parts to get that working and an exhaust system so it can be driven more during the summer!

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countrycorey

Trust Me I'm an Engineer
Jan 30, 2010
1,469
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38
LA
Time for another update:

Was running great until it got low on gas and now I'm not getting any fuel and I can't hear the pump running. I tried to hotwire the pump and still got nothing.

Now I'm waiting on a new fuel pump to come in before I drop the tank.

Also, anyone know where the fuel pump fuse is located a 1994 Blazer?

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Dozerboy

Well-known member
Jun 23, 2009
4,489
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TX of course
Time for another update:

Was running great until it got low on gas and now I'm not getting any fuel and I can't hear the pump running. I tried to hotwire the pump and still got nothing.

Now I'm waiting on a new fuel pump to come in before I drop the tank.

Also, anyone know where the fuel pump fuse is located a 1994 Blazer?

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It's been a long time, but I think they are on the drivers side foot well. Maybe behind the kicker panel.