4.56 gears, 14-31 slick. Never broke a rod but after 3 years of racing twice a weekend every crank I had magnafluxed during rebuild had cracks

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time