1978 rear wheel drive Riviera: The final year for the Olds 403 as an option in a Riviera. 1979 front wheel drive Riviera coupe: Olds 350 standard. Turbo 3.8 V-6 optional. 1979 front wheel drive Riviera S Type coupe: Turbo 3.8 V-6 standard. Olds 350 optional. Jim Vesely BCA # 39477 ROA # 7437