It seems a few of you may have been a little confused about our theme for this month. Although we ran some special S-chassis features to mark the dates of 1-3, 1-4, and 1-5, the S-Chassis isn't the January theme. Of course, that doesn't mean we won't feature a badass S-chassis that pops up. Case in point, this drag-tuned S15 from Australia.

While this Silvia might look like a time attack car, and is detailed enough to be a show car – it's primary focus is the quarter mile. After being inspired by the drag cars of Japan, George and Theo Spartalis of South Australia's GT Autosound set out to create one of the world's quickest S15's. Originally established as a car audio shop, GT Autosound is now known as one of Australia's premiere Silvia tuning shops and they have experience building S-chassis for every application.

Combining the build quality of pro drift car with the focus of a drag car was one of the George and Theo's goals for the car, and they've certainly accomplished that.

The engine setup is one of the most important things on a drag car, and a good place to start. The S15's 2.2 liter SR20 is built for reliability over all-out power, but still manages to produce about 650 horsepower to the wheels.

Still, even more power can be coaxed out of the car when the nitrous kit is hooked up.

The SR has been strengthened through and through with internals from some of Japan's most established companies. Outside, the fat HKS T51R turbine dominates the engine bay.

Even on a drag car, horsepower is only part of the equation. That Hurst shifter feeds into a manualized three-speed auto, and custom-drive shaft leads to a heavy duty R32 Skyline GT-R rear cradle.

The interior is full-competition spec, but unlike some race cars, everything is very neat and tidy inside.

18×9 and 18×10 Advan RS wheels cover a Strange carbon brake setup from the United States. I'm guessing a slightly different wheel and tire setup is used at the track though…

Finally a fully integrated C-West wide-body with R34 GT-R Bayside Blue paint makes the S15 look a bit like a JGTC car as it rips down the quarter mile to the tune of 9.23@148MPH (on slicks).

Specs-

ENGINE
S13-series SR20DET turbocharged DOHC in-line four-cylinder

ENGINE MODIFICATIONS
Tomei 2.2-litre stroker crank, Sard 1000cc injectors, CNC ported head, MoTeC M800 ECU, Tomei 87.5mm pistons, Tomei 2.2-litre-spec con rods, Tomei cam gears, HKS T51R KAI turbocharger, TiAL blow-off valve, Trust intercooler, Sard fuel rail, JUN billet plenum, VQ45 Nissan V8 throttle body, 50mm HKS wastegate, Blitz Dual SBC boost controller, titanium piston rings, Power Enterprise bearings, Tomei valve springs, Manley titanium valves, Trust sump, twin SX fuel pumps, twin VL Turbo fuel pumps (for nitrous), custom radiator and cooling system, custom exhaust, MoTeC twin CDI ignition, MSD coils and leads, Trust oil cooler,

DRIVELINE
Hugo’s Racematic manualised three-speed automatic, custom tailshaft, R32 GT-R rear cradle, custom hubs, OS Giken two-way mechanical LSD

SUSPENSION AND BRAKES
HKS coilovers, GT-R Skyline sway bars (front and rear), custom solid aluminium rear subframe bushings, Strange carbon brake rotors and calipers (front), Strange carbon rotors (rear), standard rear calipers

WHEELS/TYRES
18×9-inch Advan RG front rims, 18×10-inch Advan RS rear rims

INTERIOR
Gutted trim, integral roll cage, Bride Zeta III seats, Nardi steering wheel, MoTeC data logger, Nismo gauges, Hurst Promatic II shifter, Fire Bomb extinguisher (x3 engine outlets, x1 feet, x2 boot), acrylic windows

EXTERIOR
R34 Skyline GT-R Bayside Blue paint, integrated C West GT widebody body kit, D-Speed carbon fibre bonnet, custom aluminium diffuser

Big thanks go to Iain Kelly and Mark Pakula of Auto Salon Mag for the photos and info.

-Mike Garrett