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This 1991 GMC Syclone (VIN: 1GDCT14ZXM8802271) was manufactured on May 13, 1991 and a documented example recorded in the SportMachines registry. As a Syclone, it was factory-built as a limited-production GMC performance truck.
Originally finished in Midnight Black/Matte Black (91 Sy), this Syclone represents a unique configuration within overall Syclone production.
Factory RPO data for this Syclone indicates equipment such as AM/FM radio with cassette and equalizer. While many Syclone trucks shared common components, the specific option combination helps define this vehicle’s original factory configuration.

| Owner History, Maintanence, Modifications for 1GDCT14ZXM8802271 | |||||||||
| Date | Type | Mileage | Owner | Misc | |||||
| 1991-07-30 | Buy | 0 | - | Retail sold date. | |||||
| 1992-06-16 | Maintenance | 24380 | Kurt Winner - Waipahu HI USA | Replace front prop shaft. Pacific GMC. | |||||
| 2003-02-22 | Other | 124860 | Terry Hee - Honolulu HI USA | ||||||
| 2005-10-27 | Modification | 0 | - | KB TB airfoil, S&B 8" cone air filter, Ultimate 3-bar EPROM stock injectors, Bob Galla SS pipe w/HKS SBOV, 160* Thermostat, Replaced stock I/C hard lines with 3/4" Heater Hose, Jabsco, ATR upgrade Fuel Pump, 3" exhaust consisting of Aluminized Tailpipe Kit from Flowmaster/ 3" SS Dynomax Ultraflow muffler/ 3" muffler shop pipe welded to stock Downpipe, Art Carr shift kit, TCI finned Aluminum Trans Pan, T/A rear end cover, stock wheels Powdercoated Polyurethane Mirror Silver/Clearcoat, Hella H4 headlight housings w/SPW Industries HID Bi-Xenon Kit, Hella HID driving lights replacing OEM driving lights. | |||||
| 2006-08-04 | Modification | 169000 | Terry Hee - Honolulu HI USA | Stock T.B. bored to 50mm /AL airfoil, S&B 8" cone air filter, Ultimate 3-bar EPROM, Tomco green stripe injectors, Bob Galla SS pipe w/TiAL BOV, 160* Thermostat, Replaced stock I/C hard lines with 3/4" Heater Hose, Jabsco I/C pump, Walbro 255 l/hr Fuel Pump, 3" exhaust consisting of Aluminized Tailpipe Kit from Flowmaster/ 3" SS Dynomax Ultraflow muffler/ 3" muffler shop pipe welded to stock Downpipe, Art Carr shift kit, TCI finned Aluminum Trans Pan, T/A rear end cover, OE Concepts 17" x 9.5" Z06R wheels/275/40ZR17 Yokohama AVS100 tires , Hella H4 headlight housings w/SPW Industries HID Bi-Xenon Kit, Hella HID driving lights replacing OEM driving lights, ZQ8 steer. box, Renz's steer. shaft upgrade, E.S. Poly. Bushings Front to Rear, Hellwig rear Sway Bar, KYB's, Rancho steering stabilizer, MSD distributor/coil/wires, Ty door mirrors, DeQuick lower CCHE, Edelbrock AL water pump. | |||||
| 2008-11-16 | Modification | 204000 | Terry Hee - Honolulu HI USA | Stock T.B. bored to 50mm /AL airfoil, S&B 8" cone air filter, Ultimate 3-bar EPROM, Tomco green stripe injectors, Bob Galla SS pipe w/TiAL BOV, 160* Thermostat, Replaced stock I/C hard lines with 3/4" Heater Hose, Jabsco I/C pump, Walbro 255 l/hr Fuel Pump, 3" RPM Polished Stainless Steel / 3" SS Dynomax Ultraflow muffler/ 3" muffler shop pipe welded to stock Downpipe, Art Carr shift kit, TCI finned Aluminum Trans Pan, T/A rear end cover, OE Concepts 17" x 9.5" Z06R wheels/275/40ZR17 Yokohama S-Drive tires , Hella H4 headlight housings w/SPW Industries HID Bi-Xenon Kit, Hella HID driving lights replacing OEM driving lights, ZQ8 steer. box, Renz's steer. shaft upgrade, E.S. Poly. Bushings Front to Rear, RPM's BellTech rear Sway Bar, KYB's, Rancho steering stabilizer, MSD distributor/coil/wires, Ty door mirrors, DeQuick lower CCHE, ProComp Aluminum water pump. | |||||
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