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1991 Syclone 1682
Owner: Neil Jagg - Queens Village, NY USA
VIN: 1GDCT14Z4M8801682
Factory Color: Midnight Black/Matte Black (91 Sy)
Current Color: Midnight Black/Matte Black (91 Sy)
Conversion:
Build Date (sticker on door jamb):
CD Player: No
Misc:
Build Folder Information
Date on folder: (appears to be ship date)
Number on folder: (no idea what this number is)
Date on engine test results:
Date on Inspection Sheet: 1991-04-23
Prop Shaft: 101846
Engine: W910640142
Transmission: MY06109914
Transfer Case: C009024
Engine Sequence: 1691
Document Date (It appears this was a check list document): 1991-04-23
Sticker on the above document (ECM number): 102902
Engineering Sheet Date: 1991-04-08
Body Inspection Sheet Date:
Vehicle Receive Report Date: 1991-04-23
Vehicle Receive Report Item #: (We have no idea what this number is for)
Color according to Vehicle Receive Report:
Vehicle Shipping Report Date: 1991-04-24
1-2 Shift (RPM):
2-3 Shift (RPM):
Vehicle Shipping Report 3#: 55199 (We have no idea what this number is for)
GM Build Log
Build Date: 1991-04-11
GM Final Ship:
Ship Date: 1991-04-24
ECM: 102902
Order Number:
Charge to Dealer:
Ship to Dealer:
Click for more pictures
Transaction Details
DateTypeMileageOwnerMisc
0000-00-00 Modification  77  Mike Bunks - Philedelphia PA USAIt Has A new Vortech Engine, a ultimate chip. A custom flowmaster exhaust. Dual Pillar Po gauges.  
0000-00-00 Buy  0  Mike Bunks - Philedelphia PA USA 
1992-06-10 Maintenance  1350  - Replace turbo. Rafferty GMC, Newtown Square, PA. 
2000-08-02 Modification  74000  - It is my friends truck. It has 74,000 on the body and 30,000 on a new vortech motor. It has Custom Flowmasters, a Ultimate Chip, 3-Bar Map Sensor, and will soon get a new turbo and downpipe.  
2015-08-14 Buy  78000  Neil Jagg - Queens Village NY USAI recently bought this Syclone in August 2015 with a blown head gasket. Below is a description of hte truck as it sit as of November 12th, 2016. 1991 GMC Syclone #1682 -4.3L Turbo AWD -79K miles -Exterior is 8.5/10 condition. Mostly original paint, from what i can tell it seems only the hood may have been repainted sometime in the past. Paint is in good to excellent condition with some flaws. -Interior is 8.5/10. There is some fading of the cloth seats which is almost impossible to avoid -Has not been driven in the rain or snow for at least the last 9 years -Both head gaskets and all upper engine gaskets recently redone, new radiator, new water pump, new knock sensor, new cap/rotor/spark plugs & wires, new ignition module, new fan and fan clutch, fresh oil and oil filter. New steering box and pitman arm. Wheel alignment recently done. All work has been done within the last 50 miles -fuel pump replaced by previous owner Modifications (some done by previous owner, some done by me). I have tried to keep the truck as factory stock as possible but some things were upgraded to address some weak points in the stock trucks. -Stock 4.3L block-balanced & blueprinted -Eagle connecting rods -JE Pistons -Lightly ported L35 cylinder heads -Crane Gold Race 1.5 roller rockers -CompCams 850 roller lifters -Adjustable fuel pressure regulator -Custom 3 inch exhaust with FlowMaster muffler/High Flow catalytic converter/Dual chrome tip -3 bar MAP sensor -TurboTweak/VeloSyTy chip custom tuned for the other modification on the truck. It has 2 fuel/spark maps. One map for pump gas, second map for 100 octane. Fuel & Spark settings tunable. Compatible with both factory narrowband or AEM wideband O2 sensors -Turbo to intercooler hard pipe with integrated blow off valve (stock is flex hose w/o BOV) -Optima yellow top battery -Accel ignition coil -ABS Deleted -High flow air filter -Taylor 8mm spark plug wires -Boost gauge and Dual Pillar gauge pod 
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RPO
18E: TRIM COMBINATION, CLOTH, DARK CHARCOAL
18I: INTERIOR TRIM, CHARCOAL
19U: PRIMARY COLOR, EXTERIOR - BLACK
1SW: PACKAGE OPTION 21
5K9: TIRE FRONT, DELETE
6CE: COMPONENT FRT LH COMPUTER SEL SUSP (6CE) SUSP
7CE: COMPONENT FRT RH COMPUTER SEL SUSP (7CE) SUSP
8E2: FRONT SEAT DELETE
8V6: TIRE REAR, DELETE
8Z8: WHEEL, DELETE
9L3: TIRE SPARE DELETE
A31: WINDOW, ELECTRIC OPERATED, SIDE ELEC SI WDO
AJ1: GLASS, DEEP TINT(REAR SIDE WINDOWS AND REAR DOOR WINDOW) DEEP TINTED GLS
AU3: LOCK, SIDE DOOR, ELECTRIC ELEC S/D LK
B32: COVERING, FLOOR MATS, FRONT AUXILIARY FRT AUX FLR MATS
C60: AIR CONDITIONER, FRONT, MANUAL CONTROLS A/C MAN CONT
C6H: GVW RATING(4350 LBS) 4350 GVWR
CTF: SALES PACKAGE INTERIM CONTROL
D44: MIRROR, OUTSIDE, BELOW EYELINE(PAINTED)(9.5 X 6) O/S PAINTED MIR
D64: MIRROR, INSIDE, RH VISOR VANITY, ILLUMINATED ILLUM S/S MIR
D74: MIRROR, INSIDE, LH VISOR VANITY, ILLUMINATED(USED WITH VANITY MIRROR D64) ILLUM S/S MIR
DC4: MIRROR, INSIDE, REARVIEW TILT, DUAL READING LAMP I/S DUAL READING LP RR VIEW MIR
E63: BODY EQUIPMENT FLEETSIDE PICK-UP BOX
FF4: ARM, TORSION BAR, SPRING ADJUST, LH TORS BAR SPR ADJ ARM
G80: AXLE, REAR, POSITRACTION, LIMITED SLIP POSITRACTION L/SLIP R/AXL
GMC: PLANT CODE PONTIAC, MI, GM T&B PONTIAC, MI GM T&B ASSEMBLY PLANT
GU6: AXLE, REAR, 3.42 RATIO 3.42R
JM3: BRAKE BOOSTER, DOUBLE DIAPHRAGM HIGH FLOW(240MM) DBL DIAPH BOOS
K34: CRUISE CONTROL, AUTOMATIC, ELECTRONIC CRCONT
KC4: COOLING SYSTEM, ENGINE OIL ENG OIL CLG
LB4: ENGINE, (4.3Z), V6, EFI 4.3Z
MD8: TRANSMISSION, AUTOMATIC 4 SPEED(THM700R4/4L60) 4 SPD A/TRANS
MX0: TRANSMISSION, AUTOMATIC, OVERDRIVE (MERCHANDISING OPTION) A/TRANS PROVISIONS
N40: STEERING, HYDRAULIC (NON VARIABLE) NON VARIABLE P/S
NA5: EMISSION SYSTEM, FEDERAL REQUIREMENTS FEDERAL EMIS
SLA: PLANT CODE SHREVEPORT, LA, USA
SLM: SALES PROCESSING STOCK ORDERS
T63: ALARM HEADLAMPS ON WARNING SYSTEM
TFE: SALES INCENTIVE COMMITMENT PLUS
TR9: LAMP GROUP
U26: LAMP, INTERIOR, ENGINE COMPARTMENT COURTESY E/CMPT CTSY LP
U27: LAMP INTR, I/P COMPT, COURTESY
U28: LAMP INTR, ASHTRAY, COURTESY
U73: ANTENNA, FIXED FIXED ANT
UA1: BATTERY, HEAVY DUTY(EXPORT) HVY DUTY BAT(UA1)(EXPORT)
UP8: RADIO, PROVISIONS FOR STEREO INSTRUMENTATION STEREO RDO PROVISIONS
UX1: RADIO, AM/FM STEREO, WEATHER, CASSETTE, EQUALIZER, ETR, INCLUDES CLOCK STEREO AM/FM W/CASS & EQLZR
V02: RADIATOR, HEAVY DUTY, INCLUDES HEAVY DUTY TRANSMISSION OIL COOLER HVY DUTY RAD & TRANS OIL CLR
V73: VEHICLE STATEMENT US/CANADA US/CANADA VEHICLE STATEMENT
VXT: LABEL INCOMPLETE VEHICLE INCOMPLETE VEH LABEL
YC2: TAHOE/SIERRA CLASSIC/SLE(LUXURY) TAHOE/SIERRA CLASSIC/SLE
YD3: AXLE FRONT (BASE EQUIP) FOR SCHEDULING GVW PLATE FRT AXLE
YD5: SPRING, FRONT (BASE EQUIPMENT) FRT SPRING
YD6: SPRING, REAR (BASE EQUIPMENT) RR SPRING
Z88: GMC TRUCK G M C
ZM7: PACKAGE, INTERMITTENT WIPER AND TILT WHEEL PULSE WPR & TILT WHL
ZQ2: DRIVER CONVENIENCE PACKAGE DRVR CONVENIENCE PKG
ZR9: APPEARANCE PACKAGE "SYCLONE" PICKUP
ZY1: COLOR COMBINATION SOLID SOLID PAINT COMBO