Ok this must be it! I thought part of the OD was it put the speed boost on. I see now it just boosts your speed by 40%. Thanks guys I will have to make sure I put the speed drug on.

MAMMOTH OVERDRIVE SPEED BUG I like to use Mammoth but have noticed alot of times lately when I activate its OD it doesnt give the extra speed bonus. This makes the OD almost useless sometimes because without the speed boost I cannot catch anyone. I especially like to sneak up next to Juggernauts and try to get them with the Mammoth OD but when its activated and the speed isnt increased they easily just drive away. Those Juggernauts deserve to die! I play with the game client. PC computer.