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Author Topic: Rallye S brake system  (Read 3069 times)

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simonpen

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Rallye S brake system
« on: 15 September, 2020, 04:31:53 PM »
My very knackered rear callipers have 35mm pistons. I was expecting 33mm. Did the S have larger pistons? ta
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1969 Rallye 1.3S

nistri

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Re: Rallye S brake system
« Reply #1 on: 15 September, 2020, 05:01:13 PM »
Usually, yes 35 mm. The 33 mm size was normally fitted to the 1.2 coupe, Andrea
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Andrea Nistri

Ardea S2
Appia S2
Fulvia GTE
Fulvia Sport 1.3 S
Fulvia Montecarlo
Fulvia Coupe 1.3 S

simonandjuliet

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Re: Rallye S brake system
« Reply #2 on: 15 September, 2020, 05:05:44 PM »
Aren't the Dunlop pistons always measured in inches (marked on the top ) ?

Also, does anyone know the diametre of the master cylindre for the "S" - is it 19mm ? I think my non servo GT has an 18mm bore
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simonpen

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Re: Rallye S brake system
« Reply #3 on: 15 September, 2020, 07:25:31 PM »
Thankyou Andrea, perhaps I was thinking of my earlier car. My master cylinder is 19mm. 
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1969 Rallye 1.3S

nistri

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Re: Rallye S brake system
« Reply #4 on: 16 September, 2020, 01:04:50 PM »
Originally all fulvia rallye S and GTE both had 19 mm brake master cylinders (plus servo). Other S1 cars had 18 mm (non servo).Andrea
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Andrea Nistri

Ardea S2
Appia S2
Fulvia GTE
Fulvia Sport 1.3 S
Fulvia Montecarlo
Fulvia Coupe 1.3 S
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