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1981 GMC Sierra

Motortopia Staff . 10th January, 2022
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  • 1981 GMC Sierra
  • 1981 GMC Sierra
  • 1981 GMC Sierra
  • 1981 GMC Sierra
  • 1981 GMC Sierra

Vehicle Details

Owner/ Builder

Bradley McFarlin

Vehicles Highlights

Manufacturing year: 1981

Engine:

ENGINE

  • Shops: Forester Racing Engines and A&S Transmissions
  • LS7 engine
  • 427 ci
  • 700 hp
  • 2017 Chevy 4L80E transmission
  • A&S shift kit
  • Lokar shifter
  • 4-inch aluminum custom driveshaft
  • Callies crankshaft
  • Cam Motion camshaft
  • I-beam rods
  • Dished pistons
  • Chevy oil pump
  • ETP aluminum cylinder heads, lifters, pushrods, springs, rockers and guides
  • ARP hardware
  • Edelbrock water pump
  • Griffin radiator
  • Custom aluminum coolant tubes by Tre 5 Customs
  • Stock Chevy LS7 intake manifold
  • Spectre Performance filter with custom intake tube
  • Kooks long tube headers with 1 7/8-inch primaries
  • Tre 5 Customs custom-fabricated dual 3-inch exhaust system with X- pipe
  • Black Widow Venom 250 polished muffler
  • Tuff Stuff alternator
  • Dual electric fans
  • Wilson 90mm throttle body
  • All American Billet drive accessory
  • Modern Vintage Systems wiring

CHASSIS & SUSPENSION

  • Shop: Jeremy and Hector at Tre 5 Customs
  • Full-custom built chassis
  • Porterbuilt weld-in Dropmember built into frame
  • One-off, All American Billet upper control arms designed by Jeremy Rice
  • Porterbuilt lower control arms
  • CPP modular 2-inch drop spindles
  • Fox remote reservoir shocks, front
  • Slam Specialties SS7 ’bags all around
  • VIAIR Gen 2 480c compressors
  • Rear 3-link setup
  • All American Billet billet lower trailing arms designed by Jeremy Rice
  • Fabricated upper wishbone
  • Fox remote reservoir shocks, rear
  • Fox emulsion shocks, front
  • Baer Remaster master cylinders
  • Baer six-piston calipers, 14-inch rotors, front and back
  • CPP Showstopper Hydroboost
  • Custom aluminum fuel tank by Tre 5 Customs
  • Currie Fab 9 rearend
  • 3.73:1 gear ratio

Transmission:

Exterior Color:

Interior Color:

Specification

.

ENGINE

  • Shops: Forester Racing Engines and A&S Transmissions
  • LS7 engine
  • 427 ci
  • 700 hp
  • 2017 Chevy 4L80E transmission
  • A&S shift kit
  • Lokar shifter
  • 4-inch aluminum custom driveshaft
  • Callies crankshaft
  • Cam Motion camshaft
  • I-beam rods
  • Dished pistons
  • Chevy oil pump
  • ETP aluminum cylinder heads, lifters, pushrods, springs, rockers and guides
  • ARP hardware
  • Edelbrock water pump
  • Griffin radiator
  • Custom aluminum coolant tubes by Tre 5 Customs
  • Stock Chevy LS7 intake manifold
  • Spectre Performance filter with custom intake tube
  • Kooks long tube headers with 1 7/8-inch primaries
  • Tre 5 Customs custom-fabricated dual 3-inch exhaust system with X- pipe
  • Black Widow Venom 250 polished muffler
  • Tuff Stuff alternator
  • Dual electric fans
  • Wilson 90mm throttle body
  • All American Billet drive accessory
  • Modern Vintage Systems wiring

CHASSIS & SUSPENSION

  • Shop: Jeremy and Hector at Tre 5 Customs
  • Full-custom built chassis
  • Porterbuilt weld-in Dropmember built into frame
  • One-off, All American Billet upper control arms designed by Jeremy Rice
  • Porterbuilt lower control arms
  • CPP modular 2-inch drop spindles
  • Fox remote reservoir shocks, front
  • Slam Specialties SS7 ’bags all around
  • VIAIR Gen 2 480c compressors
  • Rear 3-link setup
  • All American Billet billet lower trailing arms designed by Jeremy Rice
  • Fabricated upper wishbone
  • Fox remote reservoir shocks, rear
  • Fox emulsion shocks, front
  • Baer Remaster master cylinders
  • Baer six-piston calipers, 14-inch rotors, front and back
  • CPP Showstopper Hydroboost
  • Custom aluminum fuel tank by Tre 5 Customs
  • Currie Fab 9 rearend
  • 3.73:1 gear ratio

.

WHEELS & TIRES

  • 22x8.5 and 22x12 American Racing VF481 wheels with polished lip and powder-coated centers
  • 255/30R22 and 335/25R22 Pirelli P Zero tires

BODY & PAINT

  • Shop: IKandy Paintworks
  • DeBeer Aztec Gold on body, Java Gold on drivetrain
  • Shaved roof lines, shaved emblems, trim, fender lights, etc.
  • Modified factory grille by Tre 5 Customs with custom inserts
  • Custom sheet metal front bumper by Tre 5 Customs
  • Bob Grant Kustoms tailgate and roll pan combo includes bodyline between taillights
  • Tre 5 Customs modified rear combo with license plate mounts and exhaust exits
  • Billet door handles from Brothers Trucks
  • Pop-up gas filler in top of bedside
  • Bed floor fully smoothed, custom floor built to support 3/8-inch glass insert
  • LED sequential taillights from Brothers Truck Parts
  • JW Speaker LED projection high and low beam headlights
  • Flush-fit front and rear glass by Select Glass with custom window frames by Tre 5 Customs
  • One-piece side door windows from Brothers Truck Parts

INTERIOR & STEREO

  • Shop: Elevated Design
  • TMI Products bucket seats covered in faux leather and suede materials
  • Summit Racing billet steering wheel
  • Billet switches
  • Vibro Solutions sound deadener
  • Bentley-style carpet
  • TMI Products headliner
  • Modified instrument cluster
  • Dakota Digital HDX gauges
  • All American Billet handles
  • Elevated Design custom console
  • Vintage Air Gen V AC system
  • Bluetooth head unit in dash
  • Image Dynamics 6-inch speakers in kick panels
  • Image Dynamics 12-inch subwoofer in center console, amps behind seats
  • Dual Optima Red-Top batteries
SPECIAL THANKS FROM THE OWNER: “Biggest thanks to my dad, Brad McFarlin, also to my mom, Terri. Of course, Jeremy Rice and Hector at Tre 5 Customs, Frank and everybody at Ikandy Paintworks, Steve at Elevated Designs, James and Kyle (coworkers) helped out a ton on the build too. Kyle and Rick at J&R Performance helped out big time to get the truck to run correctly, Aljir at A&S Transmission, Chris and John at American Racing, Shane and Tyler at All American Billet, TMI Products, VIAIR, Dakota Digital, Baer Brakes, Currie Enterprises, Royal Purple, Slam Specialties, Image Dynamics, G4 Paint Supply, Summit Racing and everyone else who played a part, thank you!”

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