What do I need to upgrade to power boosted brakes?
 

I have a 1975 911 and would like to upgrade to power boosted brakes like in the mid-80s Carreras.

What parts do I need? I'm sure it more that just the brake booster thing (excuse the non-technical term) in the front trunk. Do I need a new pedal cluster? Lines?

Thanks!

Booster, sheet metal from mounting area of boosted car, actuating arm from brade pedal to booster, not sure if you can mod an existing pedal cluster or need one from a boosted car, lines, master cylinder, little bits

I just installed a Boxter Big Brake Kit from TRE in a customers '75 911S. Great Upgrade!! Easy to install and is like the Queen Mary dropping anchor when you need to stop.

Spede
beside the trunk floor sheetmetal- Which a clever metal man can duplicate w/o having to source it. You will also need to reinforce the floor and add reinforcements to the vertical panel in front of the pedal assembly. If you don't you will have a curiously long pedal travel , as the entire brake booster/master cylinder assembly will flex the mounting sheetmetal under hard braking

Look at any 77-89 911 in the pedal assembly area and you will see not only the gold zinc plated support, but the additional angled sheet metal supports that are vertically installed in the chassis there

so.. a quick list , besides the aforementioned sheet metal work

pedal assembly from 77-89 model
blank off plate that mounts the pedal assy from the underside (where your existing master mounts)
actuation shaft from pedal assy to booster bracket
booster support, booster , and master cylinder
shorter cardboard trunk cover for underhood fan assy
77-89 brake lines from master cylinder to distribution lines under front end
vacuumn line from engine to brake booster

Wow! Not a small feat!

Do I need to upgrade to a boosted brake system if I am upgrading to 993 calipers all the way around? Or would simply getting a larger master brake cylinder be sufficient?

Thanks all!!