Rear brake set ups?

[MikeLMR]

the MOT aint going to get any easier to pass in the future either ... quite the opposite I guess.

I\'d fit a pair of spot calipers if I were you, AP and Willwood do ones to suit different discs and it\'s perfectly legal and a nice simple setup. a hydraulic handbrake is a big compromise and is only really of use if you wish to use the handbrake to reliably lock the rear wheels when moving. If it is simply to hold the car when parked and satisfy the MOT man its got to be a cable setup.

To answer your question on how they work ... The rear brake lines need be reduced to a single brake line, this then loops into a handbrake mastercylinder and then back out again and back onto the rear brakes, when you pull the lever it moves the piston and operates the rear brakes idependent of the fronts.

[kev-yorks]

You could always get a bit radical and mount a park brake assembly inboard of the rear hubs on the drive shafts.
Kevin

[MikeLMR]

if you mount one the input flange to the diff you only need one caliper too

[kev-yorks]

Would he get high enough figures with a single setup though mike?
Kevin

[MikeLMR]

I would expect it to be OK, you get a mechanical advantage due to the diff,

I\'m sure I\'ve seen the setup somewhere before.

[kev-yorks]

I would expect it to be OK, you get a mechanical advantage due to the diff,
 
I\'m sure I\'ve seen the setup somewhere before.

Good point Mike. There\'s every possibility of using a nice lightweight disc/ caliper set up and leaving the rear hub area free to mod anyway Grizzly wants.
Kevin

[Grizzly]

If its not a daft question why don\'t manufactures do this?

[MikeLMR]

if you look under jag e-type or other jag with the old IRS you will find that they have been doing for a long time. NSU RO80\'s even have inboard front brakes

I think the answer is cost, it\'s cheaper to have a mass produced caliper with it all one package. secondary reasons are, cooling is probably better if it the brakes are at the wheel hub and ease of service.

[Grizzly]

I\'m guessing this is basicly what they did with Ed_rx7\'s brakes but proberly more made for the car rather than cut and tweeked to fit??....

Buy a kit like this http://www.streetrodstuff.com/Products/2058/

Then cut the lip of the Back plate so its flat and will take larger disks, then have the disk machined into a Bell so a Big aftermarket Disk can be fixed? You\'d only realy need the Backplate,Handbrake assembley and a disk to get the hand brake working? but the hole kit is only abotu £200??

[banned advertiser]

So whats wrong with the calipers I pointed to earlier, they have a self adjusting handbrake mechanism.
Been told they will pass MOT when I questioned this today.
http://www.rotaryart.uk.com/acatalog/Monster-Handbrake.pdf
http://www.rotaryart.uk.com/acatalog/Billet-Handbrake.pdf
http://www.rotaryart.uk.com/acatalog/Road_calipers.html

[Fish]

Think I would rather trust my car and life in the hands of AP/Brembo and a spot caliper.

Fish

[Grizzly]

Sorry i did\'nt notice they had handbrakes.(apart from they say Handbrake in big letters... Doh!!!)  Have you put a rear kit together?

[GerbilStuntFarm]

Clive,

How\'s tricks? Could you clarify the bit you mentioned about the brake pedal being much harder with larger front calipers? I thought it\'d be the opposite, soft and spongey. Happy to stand corrected.

Cheers, Jode

[clive]

Clive,

How\'s tricks? Could you clarify the bit you mentioned about the brake pedal being much harder with larger front calipers? I thought it\'d be the opposite, soft and spongey. Happy to stand corrected.

Cheers, Jode

Hi Jode, good thanks.

If you have to stock master trying to push more fluid than it was designed to trying to operate larger pistons then I would have said you will have a hard pedal as the poor little thing is working harder to displace more fluid and would show by requireing more pedal pressure than normal to make em work properly.

I found this years ago on a racer of mine when I fitted big AP callipers with a stock master.

The reverse would happen if you fitted a large master, i.e.  soft and spongey

[GerbilStuntFarm]

Hi Clive,

That makes sense now thanks, I won\'t be making any changes until we have a 929 master cylinder over here anyway. However I have seen lots of different ones at car shows for sale, so presumably there are alternatives that could be used for the same result?

The car is back in my hands tomorrow, will give you a call regarding the seat(s) as soon as possible.

Cheers, Jode