More than likely you have a tire out of balance. It can also be a bent wheel or suspension parts are worn. Have everything inspected.
warped rotors
Have you had a front-end alignment? When you remove parts from the front end, you need to have this done.
Yes
you need a front end alignment
They have a 'flattenend' front end, which helps in combatting wind resistance.
realignment, 60 to 80 bucks
That is typically a wheel balance problem.
Ford Pinto.
Did you have the front tires balanced and did you get the front end aligned??
It is scared of something, is there an Escalade around? Seriously, shaking while driving could be wheel balancing or front end alignment. Shaking while at idle or what seems to be coming from the engine might be a motor mount.
Check the balance on your tires as well as the lug nuts. You'd be suprised.
You need a front-end alignment. Most garages charge $50-$75.