Davemack · Jun 30, 2018

My brakes are crap
They pulse when braking and need alot of force to come to a stop.
I think the pulsing is most likely the drums. I think they might of been britpart.
I cant remember which pads i ordered.
I hope not a cheap setup of ebay.
But at times during rebuild i was skint.
Servo is new but master cylinder is original.
I thinking it might be craptastic front pads
Any help welcome
Cheers

kevstar · Jun 30, 2018

The brakes are never that great compared to todays standards but you shouldn't need to stamp on them to
enable to stop, you didn't say how long ago or how much use you've had out of them.
Have you had the drums off to check the condition of the shoes or tried adjusting them.
You could pull the front pads out & see if they are glazed, give them a quick sand & see
if they are any better.

Oldseadog · Jun 30, 2018

Warped disc(s), siezed caliper piston(s), off-centre or distorted drums, shoes might be need adjusting, etc, etc, etc.

windy81 · Jun 30, 2018

fitting discs needs to be verified for trueness with a dial gauge. I don't think people ever do this, but it's very important.

Davemack · Jun 30, 2018

It was all new during my 3/4 year rebuild.
Ive only driven it maybe 200/300 miles.
I rebulit calipers and all new cylinders on back including all springs shoes etc.
Not alot of travel just pulsing and need excessive force to stop.
It will just lock brakes as i found out the other day on lane to my house lol.

Davemack · Jun 30, 2018

As you can see its almost like new lol

Davemack · Jun 30, 2018

I'm going get it up on axle stands now check out front pads first and see if discs are true with dial gauge.
Thanks for sugestions

Rodeo Joe · Jun 30, 2018

windy81 said:
fitting discs needs to be verified for trueness with a dial gauge. I don't think people ever do this, but it's very important.

Lol, nope..

Davemack · Jun 30, 2018

Davemack · Jun 30, 2018

Checked front discs they have 0.05mm of run out each so i assume thats in spec

Oldseadog · Jun 30, 2018

Near enough

Davemack · Jun 30, 2018

Got be drums then.
I think ill order some decent ones.
Still not sure why brakes are so bad though

Davemack · Jun 30, 2018

Crap drum you can see where shoe has not been touching.
I think they were britpart.

Mingus · Jun 30, 2018

on my D reg 110 when i put a new servo on i had to adjust the plunger rod that pushes the master cylinder as pedal travel was massive otherwise.

Davemack · Jun 30, 2018

Ill check out plunger rod.

flat · Jun 30, 2018

Check the drums for trueness, and either skim them true or replace with a known brand part imo

Davemack · Jun 30, 2018

flat said:
Check the drums for trueness, and either skim them true or replace with a known brand part imo

Yeah one drum is like a egg.
Ive ordered some more new ones.
ones on there they are out of warranty as i fitted them 2 years or so ago.
Like i say its done 200 miles since ive got it on road. Bad manufacturing

tottot · Jul 1, 2018

Also new brakes need to bed in,this may take several hundred more miles of driving. An easy upgrade for an early 90 is to fit 110 calipers .

Davemack · Jul 1, 2018

I thought about fitting 110 calipers and swaping rear axle for a disc brake one.
But wanted to keep it all original.
But if the original 90 brakes dont improve it might be a good idea to change calipers.
Its got good quality pads and shoes fitted at mo.
But ill get it back together and get some more miles on it see how it goes.

tottot · Jul 1, 2018

Good condition rear drums are fine.The bigger 110 front calipers do help. As standard early 90's were on little 205/16 tires but you wont see many like that today. The larger diameter as on yours do need a bit more from the brakes to slow up.

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