Ultima GTR with Alfa Romeo 3.5 V6 Twin-Turbo Engine || 700+Hp Monster Onboard Acceleration & Sound Street Races by turboandstance - February 22, 2018February 22, 2018 Stuart Kidgel races this unique version of Lee Noble´s creation, the Ultima GTR. Ditching the Chevy V8´s that normally power this car, the powerplant here is a highly tuned version of Alfa Romeo´s Legendary Busso powerplant. Stroked to 3.5L and aided by 2 turbochargers, this Monster produces over 700Hp to move the lightweight body (only around 1000Kg). It is for for around a decade one of the fastest Modified cars in South Africa. Leave a comment