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Disc Brake pistons, should I replace?

Posted by Rowdy

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Disc Brake pistons, should I replace? #1
Rowdy Jeremy B Brisbane, Australia 1960 MG MGA 1600 "Little Red"	Posted: August 03, 2012 07:19PM Registered: 1 year ago Posts: 96

I have pulled apart my 1600 front brakes and it appears as though some of the chrome on the piston is coming off. Will they be alright to be refitted or should I replace them. Has anyone tried rechroming? See attached.

thanks in advance

Jeremy

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Re: Disc Brake pistons, should I replace? #2
MGA1962 DAVID JONES Hop Bottom, pa, USA 1962 MG MGA	Posted: August 03, 2012 08:04PM Registered: 3 years ago Posts: 96

Well if it were mine, I would replace them with new. You already have them out.Especially any thing dealing with brakes. I believe that's one thing that you wouldn't want to have fail just when you need them the most.

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Re: Disc Brake pistons, should I replace? #3
barneymg Barney Gaylord Naperville, Illinois, USA 1958 MG MGA "MGA With An Attitude"	Posted: August 03, 2012 08:43PM Registered: 8 years ago Posts: 2,138

Maybe a good reason not to use chrome pistons?

Barney Gaylord
1958 MGA with an attitude - http://MGAguru.com
Notice: - Do not leave a PM for me on the forum server. Send any private message to my personal e-mail address barneymg@mgaguru.com

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Re: Disc Brake pistons, should I replace? #4
ghnl Eric Russell North Carolina, USA	Posted: August 03, 2012 09:00PM Registered: 1 year ago Posts: 521

Replace.

The pistons in the brake caliper ride on the seals. Those will tear up the seals in short order.

You can remove the central pin in the MGA caliper and use MGB brake caliper pistons. Those are usually cheaper then the original type MGA version.

Eric Russell ~ Mebane, NC
1960 MGA, 1981 Alfa Romeo GTV6, 1984 Alfa Romeo Spider, 1991 Honda ST1100

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Re: Disc Brake pistons, should I replace? #5
Basil Adams About 12 miles from Sears Point, USA	Posted: August 04, 2012 12:35AM Registered: 6 years ago Posts: 5,972

Yes, the stainless MGA caliper pistons are about $50 each and the MGB stainless caliper piston is about $14!!! Basil 707.762.0974 basiladams@yahoo.com

Basil C. Adams
1956 MGA Coupe (Show Car)
1957 MGA Roadster (Driver)
1958 MGA Coupe (Racecar)
1959 MGA Coupe (unrestored)
1960 MGA Coupe (unrestored)
1960 MGA Roadster (Driver)
MKIII Elva Courier (E1056)
1967 427 Cobra
1972 Alfa Romeo Montreal
A coupla late MGBs
1960 Austin Healy BN7
More Cars than Brains

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Re: Disc Brake pistons, should I replace? #6
Rowdy Jeremy B Brisbane, Australia 1960 MG MGA 1600 "Little Red"	Posted: August 04, 2012 03:33AM Registered: 1 year ago Posts: 96

Stainless steel B's it is.

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