[Spridgets] Drum Brake to Disc Brake Conversion

[Gerard]

Hi Bob,

Most of that is incorrect.

You will need the swivel axles, hubs, discs, calipers, pads and different hoses. Used hoses are a bad idea anyway as they collapse internally over time and can actually completely block fluid from returning, which results in locked up brakes. The king pins are not the same either, and need to be changed. Usually the A-arm outer fulcrum pins are so badly worn, the pin can’y be removed short of using a sawzall, so you will either need the arms rebuilt with new threaded bushings or just replace the entire arm. Often old arms are cracked, so they should be inspected carefully before investing money in them. It’s best to replace the inner fulcrum pins at the same time. There are complete suspension rebuild kits that will have everything needed. For best results, using a 3/4” bore MC instead of the 7/8” one will give you reduced pedal effort as well as provide better clutch action. I can convert the original 7/8” to 3/“, providing a better an new master cylinder that will well outlast any of the reproductions now available, and is a bolt in swap. For this swap, shorter pushrods are also required, which I can also supply new cad plated ones.

Feel free to contact me with questions.

Gerard

> On May 5, 2015, at 11:00 AM, spridgets-request at autox.team.net wrote:
> 
> Message: 1
> Date: Mon, 04 May 2015 15:37:29 -0400
> From: Bob Spruck <raspruck at gmail.com <mailto:raspruck at gmail.com>>
> To: spridgets at autox.team.net <mailto:spridgets at autox.team.net>
> Cc: mattrossi at titanmetal.com <mailto:mattrossi at titanmetal.com>
> Subject: [Spridgets] Drum Brake to Disc Brake Conversion
> Message-ID: <5547CA79.4080106 at gmail.com <mailto:5547CA79.4080106 at gmail.com>>
> Content-Type: text/plain; charset="utf-8"; Format="flowed"
> 
> Now that I am also a Bugeye owner, I've acquired a whole new set of 
> acquaintances. A guy I met at the Atlanta British Car Day Show yesterday 
> is interested in converting his disc wheeled Bugeye from  drum brakes to 
> disc brakes. All my square body parts cars are disc brake equipped so I 
> will give him the parts  he needs.
> 
> I am sure many of you have done this conversion and can tell us what 
> parts are needed. My understanding is that the A-arm, kingpin, axle, 
> steering arm, and tie rod are the same on a drum brake Bugeye and a disc 
> brake square body and all he needs are the hub, caliper, and rotor. Can 
> anyone confirm or correct that understanding? Can you point us to any 
> tech literature/ instructions, etc that will help? Of course, he will 
> rebuild the calipers, and install new bearings, braided hydraulic hoses, 
> rotors, and pads.
> 
> Bob Spruck

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