Clean by Philippine standards: the ideal being 1992, 1998 or 2004. He won nearly two thirds of the vote in 1969 IOTL against a lacklustre candidate and a Liberal Party in rigor mortis, and even held Congress in the 1971 midterms. Even according to NAMFREL, the final results were...
Corazon C. Aquino (UNIDO): 50.2%
Ferdinand E. Marcos (KBL, I): 49.8%
800,000 PV difference, and GMA was re-elected with 1.2 million, 40-36.