[KMAT]

Will you know a person should do a little bit more research vehicle to make sure they know what they have and since I've been having this brake booster master cylinder issue did some checking on the VIN numbers and my cab did come off a a 3/4 ton pick up which is why the booster looks like one off of 3/4 ton therefore I appreciate all of the information that everybody is giving me now fourth trip back to the part store for a 3/4 ton master cylinder and if I read earlier on a post or a thread I'm 3/4 tons I have to switch the lines going to the proportioning valve back Reservoir front portion valve front master cylinder line the back portion valve please correct me if I'm wrong thanks every everybody for all the great replies that's why I joined this site