Probably in need of a complete tune up.
Yes it will.
wheels need balancing, sometimes shake is only evident at high speed
A loud knocking noise in the motor of a car at high speeds is most likely the engine. There could be another issue with the transmission if the knocking only happens at high speeds.
A car that is jerking at high speeds probably needs a tune-up. Barring any major mechanical issue, this will solve the problem.
islam.
No,but tires out of balance will cause this. Have them balanced and rotated.
i have a 1991 nissan sentra speed up to 35 and start to miss
If you hit it at high speeds in a car, it is likely to be the death of you.
due to the preasure
Definately avoid driving at high speeds, and get it in to see a mechanic to see what is going on. It might be nothing, but it could be something serious.
what year is your car and engine cylinders
Warped rotors is the most common cause.