The Viry factory produced the first pneumatic valved 3.5 V10 engine, the RS1, while other engine manufacturers supplied V8 (Ford, Judd and Yamaha), V10 (Honda), or V12 (Ferrari and Lamborghini) engines.
A fábrica de Viry produciu o primeiro motor de 3.5 motor V10, o RS1, mentres que outros fabricantes de motores fornecían, motores V8 ( Ford, Judd e Yamaha), V10 ( Honda), ou V12 (Ferrari e Lamborghini).