Guruman's Audi S4
Car has a VAG Motorsport turbo kit. turbos are dual GT28RS in .64 housings. Running 034Motorsport standalone engine management. Engine is built, with JE pistons and Scat rods. Engine built by Rombotis tuning. 4" custom Exhaust by Agtronic Motorsport.
The Beast is Back - ARD Audi S4 puts down 591 WHP on E85!
The beast is back! See how the new setup performs on the Dyno with E85: - Twin GT28RS turbochargers with 68mm FP HTA compressor wheels - 4'' custom Exhaust - Fuel Lab 1300HP external pump - 1000cc EV14 injectors - Tilton twin disk clutch. The S4 now puts down 591whp at just 28 psi tapering to 24 psi on a baseline file without any water/meth injection activated. Wonder what it will do at 30+ psi? Stay tuned for more videos!
WMS ASP GT28RS at 26psi vs EPL Tuned TiAL R650 at 24psi
Wicked Motorsports ASP Tuned GT28RS Kit running 26psi vs EPL Tuned TiAL R650 Kit running 24psi 2nd gear at 3000rpm to top of 4th Laser on race fuel TiAL car on 91oct