Game shark codes:

Master code "must be on"
9B43C09929DF5F01
DD2A4BB765B9F0FB 
 
Unlimited money  
A01A12A9C58E1756 

Unlimited supply pack (in garage)  
794C18A541E839D6 

Unlimited booster (in garage)  
B95800C3E1B4EE47

Unlimited repair kits (in garage)   
79A9C43144C4743D