E' disponibile per il Grand Prix 4 di Crammond la nuova versione 1.045 della comodissima utility GP4 Tweaker, che offre le seguenti possibilità di editing:
New tweaks on this release:
Navigation Key Binding Onboard Camera Projection Head View Movement Cockpit Dash Position Cockpit Steer Position Driver Arms Colors Car Rims Colors Tyre Wheels Position#CONTINUE#
Updated tweaks on this release:
Pitstop Timing Adjustment: Ported to new virtual patch engine Pitstop Timing Adjustment: Export/Import data values Pitstop Timing Adjustment: Fuel efficiency Qualifying Rules 2003: Ported to new virtual patch engine Qualifying Rules 2003: Customizable car out orders Qualifying Rules 2003: Customizable car out gaps Qualifying Rules 2003: Screen messaging system Qualifying Rules 2003: Random car out orders Onboard Camera Position: Cockpit dash position Onboard Camera Position: Cockpit steer-wheel position