Converting 67 drumbrakes to disc
 

I just got a 67 six cylinder with 3 on the tree manual and want to convert the old front drum brakes to front disc brakes. I got a front clip out of a 71 from a guy. Ive put that in and now must remove the orig. 67 master cylinder and replace it with a 71 or 72 brake booster and master cylinder and proportioning valve and change over to different brake lines. Ok, I understand all that. My question is do I need to get a 71/ 72 booster mounting bracket that attaches to the firewall or does anyone out there have an idea how I should mount the new 71/72 booster/master cylinder combo? Is there a way I can attach the rod coming out of the 71/72 booster to the original linkage that goes to the 67 brake pedal? Any insight would sure be helpful.

Re: Converting 67 drumbrakes to disc
 

Welcome to the board!

This should answer most of your questions.
http://67-72chevytrucks.com/vboard/s...68&postcount=4

Pretty sure you are going to have to use a bracket if you want to use factory parts. Can't give you any specifics but it would be helpful to know if it is 10 or 20 and 4x2 or 4x4.

If you don't have them, servicable copies of the factory service and overhaul manuals can be downloaded here.
http://67-72chevytrucks.com/vboard/s...d.php?t=558016

Re: Converting 67 drumbrakes to disc
 

Thanks so much Tim I'm sure this will help tremendously.

Re: Converting 67 drumbrakes to disc
 

You can't use your existing pedal push rod! You need to unbolt your existing pushrod from the pedal and replace with a power brake version, which attaches to the bracket on the outside of the firewall. The booster then mounts to the bracket.

I'm sure you know this already, but there won't be room to use the standard air cleaner on your inline 6 once you put on a booster.