Car in question is a 1976 Plymouth Valiant Brougham 2dr HT V8 904... found broadcast sheet under rear seat... line 4 under "Axle" says "249"... I know the car has an 8 1/4 axle, is non-suregrip... wondering what the axle ratio is... according to Valiant.org, 2:45 was the standard ratio for '76...