I thought I'd post these GP4 Tweaker settings for Hega's cars - They look ok but at least they are a base for people to alter to their liking
For the Ferrari, Williams and Force India -
Helmet x 0.0000 y 0.1350 z -0.3600
T-cam x 0.0000 y 0.6000 z -0.8200
Steering Wheel x 0.0000 y -0.0200 z -0.1100
wheels
front right x 0.7300 y -0.2280 z 1.1400
front left x -0.7300 y -0.2280 z 1.1400
rear right x 0.7300 y -0.2280 z - 2.3000
rear left x -0.7300 y -0.2280 z -2.3000
For the Mercedes -
helmet x 0.0000 y 0.1200 z -0.4500
t-cam x 0.0000 y 0.6000 z -0.9200
steering wheel x 0.0000 y -0.0600 z -0.1800
wheels
front right x 0.7300 y -0.2280 z 0.1400
front left x -0.7300 y -0.2280 z 0.1400
rear right x 0.7300 y -0.2280 z -2.4100
rear left x -0.7300 y -0.2280 z -2.4100