1971 Pontiac Firebird Restomod: Supercharged LS Power Meets Vintage Muscle
In today’s market, restomods are king, and this ’71 Firebird build is proof that when you blend old-school attitude with modern muscle, the result is pure fire.
Dressed in the unmistakable 1970–73 body style, considered by many as the most aggressive and seductive front end Pontiac ever designed, this Firebird turns heads even before you pop the hood.
And yes, it features the full Trans Am package:
• Shaker and hood scoop
• Fender air extractors
• Front and rear spoilers
• Wheel flares that complete the unmistakable Trans Am look
***Engine & Powertrain***
This beast is powered by a professionally rebuilt LS6/LS1 hybrid, featuring all standard-size internals and factory pistons and rods. The internals were carefully blueprinted and upgraded with:
• King Performance Bearings, Hastings rings (gapped for boost)
• Melling oil pump, ARP head bolts, and GM multi-layer head gasket
• Factory LS6 camshaft with matching beehive valve springs and remanufactured 243 LS6 heads
• Siemens Deka 60 lb/hr injectors
• Torque Storm supercharger (7 psi) with ATI Super Damper keyed to the crank
• Mishimoto intercooler for reliable air charge cooling
Fuel and spark are managed by a standalone BP Automotive harness and professionally tuned GM 0411 LS1 PCM with a 5800 RPM rev limit.
Estimated Output: 550+ HP. This setup easily delivers over 550 horsepower at the crank, offering strong street performance and rock-solid reliability with pump gas. The car is scary fast and peels the tires effortlessly.
***Drivetrain & Suspension***
• Jasper-built 4L60E transmission (98–02 style) with Tru-Cool 40k external cooler
• Southwest Speed aluminum driveshaft
• Factory 10-bolt posi rear with upgraded 30-spline axles and 2.73 cruising gears
• Rear LS1 disc brake conversion with 12” rotors and PBR calipers
• Hotchkis rear sway bar
• All-new shocks and suspension bushings throughout
***Exhaust & Cooling***
• Speed Engineering shorty headers
• 2.5” exhaust system with MagnaFlow mufflers — aggressive sound without drone
• Dual electric LS1 cooling fans to keep temperatures in check
***Wheels & Tires***
Wheels are 17 x 9 honeycombs from Year One, wrapped in Nitto tires — 285/40 R17 in the rear and 245/45 R17 up front.
***Interior Details***
• NVU Aviator Series gauge cluster with retro styling and modern reliability
• Vintage Air A/C system using a compact Sanden Mini compressor with custom Dirty Dingo brackets
• Driver’s seat is power-operated for added comfort and adjustability
• Interior blends factory look with subtle modern conveniences
This ’71 Firebird restomod is a total package: classic Trans Am styling, boosted LS power, upgraded suspension, and long-distance drivability.
The restomod wave is surging, and early second-gen Firebirds are leading the charge, especially those with the full Trans Am look and modern drivetrains under the skin.
Classic muscle aesthetics meet 21st-century performance — this bird isn’t just built to show, it’s built to fly.
This car won’t last, being sold under the cost of building one.
Price: $89,900.00.
Financing is available WAC. Transport arrangements are available anywhere; ask for a quote.
To buy this car, contact Rick at Trans Am Specialties:
Office: 1.305.412.5000
Text/call/WhatsApp: +1.786.218.1863
Email: [email protected]
Note: this is a Restomod, and is a different category aimed at guys looking for reliable, powerful, easy serviceable 2nd Gen.
