check your tires they mite be off balance are you have a u joint problem
i ain't no expert but might be the head gasket.
Bad tire, rim, u-joint,......
could be a problem with your transmision, having trouble shifting
major vacuum leak?
Check into a new steering dampner, it's a common cause for shake at speed in a Jeep, but it could also be alignment or balance.
The Shake It Up Make Your Mark competition is in Hollywood.
This will tell you how: http://www.markviii.org/LOD2/keyless_entry.htm
The Shake It Up Make Your Mark ends on August 3.
Follow the tubing from the master cylinder and it runs into the proportioning valve.
u probabily need an alignment u probabily need an alignment
AK Squared won the 'Shake It Up, Make Your Mark' contest.
There is going to be a make your mark shake it up dance off.