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57 100-6 Disk Brake Upgrade kit
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I have the Denis Welch kit on my BN4. https://www.bighealey.co.uk/austin-...front-disc-brake-kit-bn2-bj7-girling-cbrk152k
I also have the Denis Welch rear disk conversion, which may be overkill, but it's better than unbalanced rear drums. 4-wheel discs were an option on BN4s.
I also have the Denis Welch rear disk conversion, which may be overkill, but it's better than unbalanced rear drums. 4-wheel discs were an option on BN4s.
Thanks for replying.
That kit is about 1200. delivered to the US. did you find yours in the states?
I printed out the picture of the parts and my mech. is concerned there are other parts I will need such as bolts wheel bearings seals a portioning valve, dust shield,
They have not put disk brakes on a BN4 before.
That bit about disks being an option on the BN4 is somthing I never heard before. I know it was standard in 58.
That kit is about 1200. delivered to the US. did you find yours in the states?
I printed out the picture of the parts and my mech. is concerned there are other parts I will need such as bolts wheel bearings seals a portioning valve, dust shield,
They have not put disk brakes on a BN4 before.
That bit about disks being an option on the BN4 is somthing I never heard before. I know it was standard in 58.
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The factory used a .625" master cylinder and different rear wheel cylinders in lieu of a proportioning valve.
AH Spares online Performance Catalog has a more comprehensive kit which includes all the bits needed:
https://tinyurl.com/qddrkbg
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I put the kit on my old 100 6, an amazing different (improvement) in the braking. The kit I bought had everything needed but this was over 10 years ago. What it did not have was instructions on installation. Apparently, giving instructions to the brake products induces some liability, so you unless they changed the policy, you are on your own. The first wheel takes an hour and a half, the second, about half that time. I bought mine from AH Spares. Good company to deal with and quick shipping.
Jerry
Jerry
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The DW kit came with the bolts. No need to change bearings, although seals might be good idea. No dust shield. It's not required unless you drive a lot - they were put on to reduce pad wear.
I bought my brakes, and quite a number of DW items, from DW about 15 years ago. I spent some time with Denis going through a list of upgrades so my car would be a balanced package.
BoyRacer
Jedi Warrior
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Just for purposes of clarification. With the introduction of the 3000 in March or April of 1959, front disc brakes became standard. Also, rear disc brakes became a factory option but very few people availed themselves of that option as those bits are virtually unobtainium.
Disc brakes were never an option on a BN4.
Disc brakes were never an option on a BN4.
Last edited:
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Apparently 40 100-six BN4s were sold with 4-wheel Dunlop discs for racing homolgation. Of course that doesn't mean they were an option:
https://www.healeysix.net/DiscBrakes.htm
https://www.healeysix.net/DiscBrakes.htm
DerekJ
Luke Skywalker
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Disc brakes supplied by the DHMC and Hambro were an option for BN4s.
See option lists here:
https://www.healeysix.net/Options.htm
See option lists here:
https://www.healeysix.net/Options.htm
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