[papajam]

Hi Peter,
Since you say boosters (plural), would your '74 be a RHD with standing pedals? If so, yes they can be removed with only a moderate increase in pedal pressure. Even if you find the pedal effort too high, fabricating a bracket to lower the pushrod end of the master and extending the brake pedal slightly will increase the pedal ratio resulting in less pedal effort but at the expense of slightly more pedal travel.