I installed a brake reservoir to the firewall and for some reason the brake pedal keeps rising to the point that the brake lights come on by themselves. I've adjusted the rear brake drums to alleviate some of the brake pressure, but when the car is car cranked and the tires engaged, the brake lights flicker. I'm thinking I need to make an adjustment where the brake pedal rod enters the master cylinder so that the brake pedal has some travel before the brakes engage. I don't see how that is done in the repair manual. Right now the brake engages immediately when the brake pedal is barely touched.