: For older titles like NFS Underground , success depends on "Perfect Shifts." Watch the tachometer: shift when the needle turns green to maximize acceleration; shifting too early (blue) or too late (red) reduces speed or causes engine over-revving.
: Use the "Orchan method" to acquire ultimate performance parts in about 30 minutes by farming high-heat races at night. need for speed - search results
: Side missions are often the most lucrative events, and some can be "cheesed" for extra cash. : For older titles like NFS Underground ,