“What do you do when the power of an engine is no longer sufficient?” asks Stephan Lenior, the man behind Squadra Tuning, on his company’s website. While the solution for the majority would have been a heavily modified or perhaps a completely different engine altogether, for the owner of the Alfa Romeo tuning company based in Holland, the answer to that question was far more radical and complex.
To make a very long story short, Stephan’s solution to u the performance of his Alfa Romeo GTV V6 involved the fitment of a second six-cylinder engine at the back. Easier said than done of course, with the project turning out to be a rather complicated and time-consuming process.
Stephan documented the entire build on his company’s website and if our Google’s translation is correct (any help from our Dutch speaking readers would be appreciated, especially on the matter of the transmission), Stephan took a 3.2-liter V6 along with the sub frame and suspension bits from an Alfa Romeo 166 and placed them in the rear section of the Italian coupe. Together with the GTV’s front-mounted 3.0-liter V6, the two engines produce a combined output of 487-horsepower.
We are not entirely sure on this one, but it appears that the GTV is equipped with two 5-speed gearboxes, both sourced from a Lancia Kappa 2.4 JTD, and controlled by a single gear shifter.
The car also features a set of front disc brakes from the 166 mounted at the back, while the builder tried to compensate for the increased weight of the second powertrain by replacing certain components such as the powered seats and standard alloys with lighter equivalents, and removing unnecessary amenities like the air-condition and sound insulation.
Surprisingly, Stephan kept the GTV’s exterior look stock with the only telling feature about the build being the air vents on the boot.
The owner claims that the Alfa Romeo GTV Bi-Motore can accelerate from zero to 100km/h (62mph) in about 4.5 seconds and to 200km/h (124mph) in approximately 14 seconds, while theoretically topping out at around 290km/h (180mph), though for obvious reasons, Stephan has not yet tried to push the car -and his luck- to the limit.
Source: Squada-Tuning , Videos: Youtube
Specifications [Translated from Dutch]:
Engines: 1 x 3.0 24v, 3.2 24v x 1 Total: 6138 cc, 487 hp @ 6200 rpm, 577 Nm @ 5000 RPM
Gearboxes: 2 x 5-gears Lancia Kappa 2.4 JTD.
Front suspension: Koni yellow with Novitec GTV springs. Torsion rod GTV
Suspension rear: Alfa 166 with Koni yellow on height and size. Torsion bar 166 3.0
ABS brakes with original working
Brakes front: 330 mm original GTA Upgrade
Rear Brakes 278 mm original Alfa 166 2.4 JTD equipped with adjustable maximum brake pressure
Hydraulic handbrake.
Wheels and tires: OZ Ultraleggera with Pirelli PZero Nero 225/45 ZR 17 94W.
Fuel tank 90 liters, 2 fuel pumps
Exhaust system: exhaust system with 2 times EPS catalyst, oxygen sensor 4 times.
Curb mass: 1680 kg (with half full fuel tank)
Performance: top speed probably between 290 and 300 km / h in fifth gear at 6500 RPM 292 km / hour.
Acceleration 0-100 + / - 4.5 sec. 0-200: + / - 14.0 sec
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