Steering, Suspension, & Brakes

tips, technology, tools and techniques related to non-driveline mechanical components

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pspeaks
Paul Speaks
Dallas, Texas
(698 posts)

Registered:
07/20/2009 06:40PM

Main British Car:
1972 MGB-GT 1979 Ford 302

authors avatar
BRAKES
Posted by: pspeaks
Date: August 03, 2014 05:23PM

I have never driven a MG with power brakes and was wondering if the difference is significant for a car that weights what a MG does. Is it nothing more than changing the pedal assembly mount box and adding the accumulator and vacuum hoses, or is there more to it than that? I don't plan on doing it right now, but when I get the body work done and the new paint job, I'll need something to do on a Saturday afternoon :-)


Paul


crashbash
david bash
st. charles
(215 posts)

Registered:
01/28/2008 10:53AM

Main British Car:
1979 MGB Rdst V8 project, 1968 MGC GT, 1969 MGB Rd olds 215

Re: BRAKES
Posted by: crashbash
Date: August 03, 2014 06:00PM

power brakes effortless non power 1/2 effort better feel just my opinion


kerbau53
Geoff Morton
Naples, FL
(108 posts)

Registered:
08/09/2010 10:27PM

Main British Car:
78 MGB Ford 5L

Re: BRAKES
Posted by: kerbau53
Date: August 06, 2014 06:45AM

Paul,

I went the other way and converted my 78 to the dual circuit 68-74 system. Boosted brakes were easy, too easy for my taste. Hole where the pedals drop thru is slightly different shape on boosted cars.


BOOTLEG
Gary Rosema
Wisconsin
(46 posts)

Registered:
11/18/2013 07:26PM

Main British Car:
1978 MGB Rover 3.5L

Re: BRAKES
Posted by: BOOTLEG
Date: December 17, 2015 06:57AM

Geoff,
I am at that exact point on my 78. Hate to reuse the old booster and was thinking going retro back to dual line. Did you by an old dual line master or just use the 78 w/o the booster?


rficalora
Rob Ficalora
Cypress, TX
(2387 posts)

Registered:
10/24/2007 02:46PM

Main British Car:
'76 MGB w/CB front, Sebring rear, early metal dash Ford 302

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Re: BRAKES
Posted by: rficalora
Date: December 17, 2015 10:52PM

Gary - I have a '76. Changed it to the early chrome bumper pedal box & used the dual circuit master from those earlier cars. I like the feel of the brakes better w/o the booster and I think the curved cover looks better under the hood. As Geoff notes, the shape of the opening on the firewall is different so you have to do a little modification there. Not too hard though. If you swap them out, make sure you get the pedals as the pivot point (distance from where they connect to the brake & clutch push rods to where they pivot on the bolt they hang on) is a different length -- forget the ratio, but they are different between non-booster & booster pedals.


pspeaks
Paul Speaks
Dallas, Texas
(698 posts)

Registered:
07/20/2009 06:40PM

Main British Car:
1972 MGB-GT 1979 Ford 302

authors avatar
Re: BRAKES
Posted by: pspeaks
Date: December 22, 2015 10:38PM

I used the original 72 dual line master cylinder which I rebuilt because the car had been setting for some time before I started the conversion. I also replaced the calipers and all brake lines as well as the rear from the backing plates out. At my stage of life my driving habits aren't all that aggressive any more so the stock brake system seems to be adequate. I was giving second thoughts to a brake booster for creature comforts but I need to concentrate on other up grades this winter so I think I'll just stick with what I have for now.


Paul


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