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Front brakes . . .

Posted by RogWarham

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Front brakes . . . #1
RogWarham Roger W Leamington Spa, United Kingdom 1969 MG MGC GT	Posted: June 28, 2012 04:20AM Registered: 11 months ago Posts: 35

It appears I have a slightly warped drivers side brake disc. Will need to replace it - so will replace both sides at the same time. Any preferences as to type to fit, as I would like to improve the stopping ability a little!

Dont what the expense of changing the calipers really if I can avoid it.

Any pointers?

Regards

Roger

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Re: Front brakes . . . #2
kobym Koby Millo Tel-Aviv, Israel 1969 MG MGC	Posted: June 28, 2012 05:36AM Registered: 4 years ago Posts: 528

If your discs are thick enough, you don't need to replace them - they can be turn on a lathe and made straight again.
Anyhow, unless you go for slotted disks, I believe that a bigger advantage for stopping power could be gained by installing high quality pads.

Reg.

Koby

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Re: Front brakes . . . #3
chormy Shaun Holmes Norwich, Norfolk, United Kingdom 1963 MG MGB MkI "3330 PE" 1968 MG MGC "Crosby" 1969 MG MGC GTS "Yippee" 2005 Land Rover Range Rover	Posted: June 28, 2012 06:08AM Registered: 5 years ago Posts: 879

EBC green or yellow pads depends on your driving style, you can upgrade disc to the EBC slotted n dippled discs prob cost £230

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Re: Front brakes . . . #4
mgcgt2912 Richard Bailey Cully, East Devon England, United Kingdom 1969 MG MGC GT	Posted: June 28, 2012 06:08AM Registered: 2 years ago Posts: 681

No argument with Koby.
But discs are not expensive to buy new. How much is a engineering shop going to charge you to skim them ?
Roger/ By the use of an exclamation mark, it would seem you dont like the brakes on your car. I suggest therefore that they aren't working properly.
IMHO standard discs and calipers, in good condition, stop these cars very well for normal road use.
R

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Re: Front brakes . . . #5
RogWarham Roger W Leamington Spa, United Kingdom 1969 MG MGC GT	Posted: June 28, 2012 06:45AM Registered: 11 months ago Posts: 35

As the car is a new acquisition to me, I have just had it given a complete check over and service, which is where they picked up the warp disc (it was one of the things on my list for them to checkout in detail - you can feel it at low speed braking, so its not way way out, but it does show on the test rollers.)

Was due to have a set of EBC Greens put on while it was in there, but thats on hold in light of the warp disc. May as well go for the EBC discs so it all matches up.

Brakes are all working fine - its me coming from a 500kg Caterham with 4 pots on is the reason for the exclamation mark!

Rog

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Re: Front brakes . . . #6
kobym Koby Millo Tel-Aviv, Israel 1969 MG MGC	Posted: June 28, 2012 01:52PM Registered: 4 years ago Posts: 528

In reply to # 2105589 by mgcgt2912 No argument with Koby.
But discs are not expensive to buy new. How much is a engineering shop going to charge you to skim them ?

Just to explain - in Israel I have no chance to buy locally discs for an MGC... So, they have to be imported, which means shipment costs and customs.
On the other hand, we have here many small shops which specialize in disc turning, for a relatively modest price. Therefore, it was a very good approach for me. Might not be the same in the UK where discs are easily found, and labor cost is high...

Reg.

Koby

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Re: Front brakes . . . #7
ron neal South Carolina, USA 1962 MG MGA MkII 1968 MG MGC 1969 MG MGC 1969 MG MGC 1969 MG MGC GT → more	Posted: June 28, 2012 02:34PM Registered: 4 years ago Posts: 3,265

Roger

I agree with Koby and would try to turn them first. Yea I will bet after driving a Caterham the MGC seems to stop like a log truck. LOL

ROn

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Re: Front brakes . . . #8
Big6Mark Mark Miller Springfield, OR, USA 1960 Austin-Healey 3000 1968 MG MGC "Red Tail" 1968 MG MGC 1968 MG MGC GT "The Wreck" 1969 MG MGC GT "The Lump"	Posted: June 30, 2012 12:19AM Registered: 5 years ago Posts: 1,220

Personally I only like new, full thickness rotors. With a non-directional finish and new pads.

If your rotors are warped it is because they have been subjected to excessive heat and trueing them up will only help part way. In addition, your hubs may be warped as well.

Take the hubs off the car and have the mounting face of the hubs checked for true and if not there will be no reason to fit new rotors until these are fixed or replaced. Then you can fit new rotors and they will be true as well.

Then take the car out and burnish the pads properly (used to be called "bedding the pads" winking smiley

and then the MGC will brake quite well.

Sure, a lot of improvement can also be gained by improving the suspension and tires to get a better grip on the road. Properly done an MGC will almost stand on it's nose on the brakes! Have nearly collected quite a few other cars in the boot of my GT.

And I think the problem might be that the Caterham is missing a few parts to make it heavy enough to stop like the MGC as well.

C Ya,
Mark

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Re: Front brakes . . . #9
spikemichael Michael Caputo Athol, MA, USA 1973 MG MGB 1973 MG MGB "Freebie" 1976 MG MGB "B-4" 1979 MG MGB "MegaBeanie" 1989 Suzuki Intruder 800 → more	Posted: June 30, 2012 12:30AM Registered: 3 years ago Posts: 6,779

Contact forestghost07 in the MGB forum... Marco Sinai is his name. Tell him I sent you. He picked up drilled and slotted discs recently and went on and on about the improvement in stopping power. As i recall they were quite reasonably priced.

Michael J. Caputo
'79 RBB and '73 CBB owner with extensive experience in 12v Audio System design and installation.
Vendor of Regalia and Promotional Products. Forum Member with a warped sense of humor.

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Re: Front brakes . . . #10
RogWarham Roger W Leamington Spa, United Kingdom 1969 MG MGC GT	Posted: August 17, 2012 09:36AM Registered: 11 months ago Posts: 35

Just thought I would update on this.

Hubs all check and are fine and true. Have fitted EBC slotted and dimpled rotors and Green Stuff pads along with a set of Aeroquip braided hoses. Pads bedded in carefully . . .

I think the braided hoses have given a better pedal feel too - well worth doing.

Rog

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