Make Model Spec V8 4.7 ROADSTER.V8 ROADSTER.V8 ROADSTER. 4.7 V8 VANTAGE. 4.3 ROADSTERV8 VANTAGE. 4.7 SVANTAGE. V8 ROADSTERVANTAGE. V8 ROADSTER.VANTAGE. V8 ROADSTER. 19 OPTVANTAGE. V8 ROADSTER. 19 SPORT TYRESVANTAGE. V8 ROADSTER. LN400 What should my pressure be?