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Author Topic: Dunlop rear brake piston and cylinder casing - 1 9/16"  (Read 1057 times)
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Senior Member
Posts: 104

« on: 15 June, 2021, 06:29:15 PM »

Hi, Has anyone had to find 1 9/16" Dunlop rear pistons and cylinder casings?
If so, can you tell me were you got them please.

If you couldn't find them, what did you do?
Someone suggested using one 1/1/2" one side of the caliper and a 1 5/8" then other side - seems logical as a last resort?

I understand using 1 1/2" or 1 5/8" on all four positions might have an effect on the braking ability because of a mismatch of the master cylinder fluid capacity and the pressure area of a 1 1/2" or 1 5/8" piston?
Any advice would be appreciated.
Posts: 319

« Reply #1 on: 24 June, 2021, 05:56:54 PM »


I had all four of mine in my Flavia Coupe replaced by Omicron last summer, so they should be able to help. They do an exchange service so you give them your old corroded rusty ones and they give your a bunch of nice newly refurbished ones with stainless liners so you will never have to change them again.


Flavia 815 Vignale
Flavia 819 Milleotto
Flavia 815 Coupe Inezione
2000HF x2
2000 Coupe
2000 Sedan x3
Current 815 Coupe Variante 1005
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Posts: 1444

Slow but rough

« Reply #2 on: 25 June, 2021, 09:32:54 AM »

I managed to source some dunlop pistons from a local motor factors as they also fitted Jaguars of the same period...worth a try.

Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
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Posts: 1804

« Reply #3 on: 25 June, 2021, 09:37:18 AM »

I thought Past Parts also refurbished Dunlop wheel cylinders?

Chris Gawne
Mobile: 07778 216552
Senior Member
Posts: 104

« Reply #4 on: 25 July, 2021, 05:23:57 PM »

Hi All,
Thanks for you advice. I ended up getting 5/8" pistons/bodies as there was a Moss Europe branch 500 yards away from where the car was up on stands. All okay so far, plus I've got the originals just in case a future owners insists on originality.

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