fummins

Need tons more info really.
What gears?
What trans?
Tire size ect?
They might rip you apart....
 
I would pull in 1st 4 low helps really put the power to the ground.....:nail:
 
4.56 gears 35" tires and direct drive. If you can't turn them you may not have 900hp

From my smart car.
 
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