1964 Buick Riviera Engine: 6.6L V8 GAS; Position: Fan, Alternator and Air Conditioning;. 1964 Buick Riviera Engine: 7L V8 GAS; Position: Fan, Alternator and Air Conditioning;. 1966 Buick Riviera Engine: 7L V8 GAS; Position: Fan, Alternator and Air Conditioning;.
