Main Facts
The classic air-cooled Porsche scene continues to push boundaries, blending vintage aesthetics with modern motorsport engineering. A prime example of this philosophy is a meticulously crafted 1972 Porsche 911T coupe, transformed into a stunning 911 S/T-style tribute. Completed in 2024 by renowned Porsche specialists Makellos Classics located in Escondido, California, this build marries the lightweight, aggressive ethos of Porsche’s historic endurance racers with everyday usability and modern reliability.
At the heart of this custom build is a heavily upgraded, numbers-matching-style flat-six engine. Originally displacing 3.2 liters, the engine was expertly bored and stroked to 3.5 liters, utilizing Mahle 98mm pistons and cylinders, Dougherty DC60 camshafts, and Rothsport Racing individual throttle bodies (ITBs) controlled by a sophisticated MoTeC M130 engine management system.

Power is routed to the rear wheels via a Type 915 five-speed manual transaxle, enhanced by a Quaife limited-slip differential for optimized traction. The exhaust note is channeled through Bursch stainless-steel headers paired with an M&K 911R stainless-steel sport muffler, producing a mechanical symphony signature to air-cooled flat-six powerplants.
Visually, the car makes a bold statement finished in a striking shade of Smyrna Green. The body has been tastefully widened with steel fender flares and lightweight aluminum S/T-style front and rear bumpers. The functional motorsport cues continue with a hood-mounted center-fill fuel cutout, a right-rear quarter panel oil filler, 9Eleven LED headlights, driving lamps, Euro-style taillights, black rear bumperettes, and appropriate 911 S/T and 3.5 badging.

Riding on 15-inch silver-finished Minilite wheels wrapped in staggered Michelin TB15 tires, the car is underpinned by a comprehensive suspension overhaul featuring Bilstein coilovers, Tarett Engineering sway bars, and a specialized bump steer kit. Stopping power is provided by black Porsche-branded monoblock calipers clamping down on cross-drilled and ventilated rotors.
Inside, the cabin bridges the gap between vintage charm and modern convenience. The driver and passenger settle into sport seats trimmed in rich brown leather featuring distinctive leather-woven striped inserts—a motif that extends to the lower dashboard and door panels. Comfort and tech amenities include a Classic Retrofit electric air conditioning system, a Porsche Classic Communications Management (PCCM) stereo with USB integration, and a Rennshift 915 aluminum shifter topped with a wooden knob. The rear seats were deleted to save weight, and the driver faces an S/T-style four-spoke leather-wrapped steering wheel fronting VDO instrumentation, including a signature green Makellos-branded 10,000-rpm tachometer.

Chronology
The genesis and execution of this S/T-style build reflect a meticulous, multi-step restoration and modification process undertaken by Makellos Classics:
- Pre-2024 (Acquisition & Planning): The donor car—a classic 1972 Porsche 911T coupe—was sourced as a strong foundation for a comprehensive restomod project. The goal was established: build a streetable, high-performance S/T tribute that honors Porsche’s racing heritage without sacrificing structural integrity or modern driving dynamics.
- 2024 (The Build Process):
- Body & Metalwork: The chassis was stripped, and steel fender flares were seamlessly integrated into the bodywork alongside custom aluminum S/T-style bumpers. The hood was modified for a center-fill fuel system, and a side oil-fill neck was incorporated into the right-rear quarter panel.
- Paint & Finishing: The entire body was treated to a high-end respray in the period-correct and striking hue of Smyrna Green.
- Engine & Drivetrain Assembly: The flat-six engine was torn down, rebuilt, and bored out to 3.5 liters. Upgrades included Mahle pistons, Dougherty camshafts, and Rothsport Racing ITBs. The MoTeC engine management system was wired, tuned, and integrated.
- Chassis & Interior Refinement: Suspension components—including Bilstein coilovers and Tarett sway bars—were installed. The interior was completely custom-trimmed in brown leather with woven inserts, the rear seats were removed, and modern electronics like the PCCM stereo and electric A/C were integrated.
- 2025 (Exhibition & Mileage): Following completion, the car was photographed in studio settings roughly 2,300 miles ago. The six-digit odometer was reset during the build and currently shows 3,600 miles, indicating the car has been thoroughly sorted, road-tested, and enjoyed in real-world driving conditions.
Supporting Data
To fully appreciate the scope of engineering involved in this 1972 Porsche 911T restomod, the core specifications and componentry are outlined below:

| Category | Component / Specification | Details |
|---|---|---|
| Model & Year | 1972 Porsche 911T Coupe | Modified to 911 S/T style |
| Builder | Makellos Classics | Escondido, California |
| Exterior Paint | Smyrna Green | Custom respray completed in 2024 |
| Body Modifications | Steel Fender Flares & Bumpers | Aluminum S/T-style bumpers, center-fill fuel cap, oil-fill quarter panel |
| Engine | Air-cooled Flat-Six | Bored and stroked to 3.5 liters |
| Engine Internals | Mahle & Dougherty | 98mm pistons/cylinders, DC60 camshafts |
| Fuel & Management | Rothsport Racing & MoTeC | 48mm individual throttle bodies, MoTeC M130 ECU |
| Transmission | Type 915 5-Speed Manual | Equipped with a Quaife limited-slip differential |
| Exhaust | Bursch & M&K | Stainless-steel headers, 911R stainless sport muffler |
| Suspension | Bilstein & Tarett Engineering | Coilovers, sway bars, bump steer kit |
| Brakes | Porsche Monoblock | Black-finished calipers, cross-drilled & ventilated rotors |
| Wheels & Tires | Minilite & Michelin | 15" silver wheels, staggered Michelin TB15 tires |
| Interior Amenities | Brown Leather & Modern Tech | Woven stripe inserts, Classic Retrofit A/C, PCCM stereo, Rennshift shifter |
| Instrumentation | VDO Gauges | Green-dial 10k-rpm tachometer, 150-mph speedometer |
| Odometer | Reset during build | 3,600 miles shown |
Official Responses
While custom restomods of vintage Porsches are typically private-party or specialized builder commissions rather than factory-backed corporate releases, statements and industry feedback surrounding builders like Makellos Classics offer deep insight into the philosophy of these cars.
Representatives for high-end air-cooled Porsche builders consistently emphasize that projects like the S/T tribute are designed to capture the raw, unfiltered emotional engagement of 1970s endurance racers while providing the mechanical predictability required for modern driving.

According to traditional Porsche restomod builders, the integration of modern engine management systems—such as the MoTeC setup utilized in this 3.5-liter engine—solves the historical reliability and tuning issues associated with mechanical fuel injection or aging carburetion systems. By combining high-compression air-cooled architecture with precise electronic fuel delivery, drivers gain the benefit of modern throttle response and cold-start drivability without diluting the acoustic and physical feedback of a classic flat-six engine.
Furthermore, interior additions such as the Classic Retrofit electric air conditioning system and the Porsche Classic Communications Management (PCCM) unit represent an industry-wide shift. Purists and restomod commissioners alike have increasingly demanded creature comforts that do not alter the vintage architecture of the dashboard, allowing drivers to enjoy long road trips without thermal fatigue or a lack of modern navigational and audio conveniences.

Implications
The emergence and strong market reception of S/T-tribute restomods like this Makellos Classics-built 911T carry several noteworthy implications for the classic automotive landscape and collector car market:
1. The Evolution of the Restomod Market
The traditional boundary between preserving numbers-matching originality and modifying classic cars has decisively shifted. While factory-original, unmolested 1972 911Ts hold significant historical value, expertly executed restomods command immense respect and high valuations because they offer superior performance, better braking, enhanced safety, and improved reliability. Builders are no longer just restoring cars; they are elevating vintage chassis to modern super-sport standards.

2. Preservation of Air-Cooled Heritage Through Innovation
As internal combustion engines face an uncertain regulatory future, the appetite for high-performance air-cooled machinery is at an all-time high. Cars like this 3.5-liter S/T tribute prove that vintage architecture can be endlessly evolved. By utilizing modern engineering components—such as MoTeC engine management, individual throttle bodies, and high-tensile internal components—builders are ensuring that classic 911s remain viable, exciting, and drivable for decades to come.
3. Increased Demand for Regional Specialist Builders
Shops like Makellos Classics in Southern California have carved out a lucrative niche by demonstrating exceptional craftsmanship, attention to detail, and historical accuracy. The success of builds featuring bespoke paint colors (such as Smyrna Green), custom interior trimming, and integrated modern amenities highlights a growing consumer preference for deeply personalized, turnkey classic sports cars over off-the-assembly-line modern vehicles.

Ultimately, this 1972 Porsche 911T S/T tribute stands as a rolling testament to automotive passion—bridging the gap between the golden era of endurance racing and the technical precision of the 21st-century garage.
