Gentlemen,
Many thanks for all the help, really is appreciated.
I can fit either a 2 or a 3 hole master cylinder, as the additional hole was already drilled before we blasted and paint the chassis.
So, apart from the smaller 3/8" UNF outlet port on later Master cylinders, are there any other differences that would make it unwise to use a later Master Cylinder?
Stoke volume appears the same and seals are identical.
regards
jeff
Last edited by gromit; 17th November 2021 at 05:48 PM.
'56 Series 1 with homemade welder
'65 Series IIa Dormobile
'70 SIIa GS
'76 SIII 88" (Isuzu C240)
'81 SIII FFR
'95 Defender Tanami
'58 Series II (sold)
Motorcycles :-
Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C
Chris
2014 D4 TDV6
1954 86"
1963 2A Forward Control (getting the full treatment, Isuzu 4JH1, MYY5T, LT230, Toyota Axles, extended cab ++)
1980 Stage 1 v8 (gone)
Hello all
Had the dickens of a problem with my original 80" master cylinder. Initially I did the overhaul, hone, new seals etc. Wouldn't bleed! Then wouldn't power bleed. (the man hours!)Took it to local brake "Specialist". Yep! no probs, is this and that (to my jaundiced eye). Anyway $200 or so later installed and still wouldn't bleed properly (more man hours). Only then I found young Alex had a reasonably priced full replacement on his S1 site. Worked a treat straight up!
Recommend: "Don't bugger around, go talk to Alex @ http://seriesoneshop.com/". New 3 bolt $350, currently................and they work!
Cheers
Rick F
That looks remarkably like the one I got from India.
I'll dig it out at the weekend & take a photo.
I purchased one off Ebay from a seller in Germany some years back, supposedly for a Minerva. Cost was $180 inc freight.
Then through a colleague I sourced one from India for US$26 plus freight.
Identical units, identical packaging and both had the same problem.
The inlet & outlet ports are drilled & tapped right through instead of accepting tube flares. Means you have to source adapters to get the tubes to fit.
Reasonably well made and has the smaller port size.
Colin
'56 Series 1 with homemade welder
'65 Series IIa Dormobile
'70 SIIa GS
'76 SIII 88" (Isuzu C240)
'81 SIII FFR
'95 Defender Tanami
'58 Series II (sold)
Motorcycles :-
Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C
HI Colin,
I can always use the old pushrod, but would you be able/prepared to measure the size of the supply and outlet ports on each.
My original Master for which my brake system is set up for used a larger banjo setup, the size of which I am not 100% sure about. The replacement I bought has 3/8"x 24 UNF supply and a 7/16"x 20 outlet, but the outlet is too small, so I assume it must be 1/2"
regards
Jeff
Jeff,
I think you have those sizes mixed up. The inlet is the larger size of 7/16" UNF
The Indian master cylinders have the same port sizes as later Series I's & the Series II. Inlet 7/16"UNF and outlet 3/8"UNF.
As mentioned earlier, Dingocroft show an adaptor in the outlet of a Series II master cylinder. Worth contacting them to see if you can buy just the adaptor.
A decent local brake company might be able to help, I found someone who kept a huge range of adaptors but they weren't cheap.
Colin
'56 Series 1 with homemade welder
'65 Series IIa Dormobile
'70 SIIa GS
'76 SIII 88" (Isuzu C240)
'81 SIII FFR
'95 Defender Tanami
'58 Series II (sold)
Motorcycles :-
Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C
Have you thought about resleeving your master cylinder there are lots of workshops who carry this work out I have listed two companies that can do it and the sleeves are stainless so last longer.
gippy
Power Brakes SA Pty Ltd / Restored hydraulic brake and clutch cylinders
South Glenelg Brake & Auto Service >> Brake Resleeving
If you look at how this master cylinder works it's arse about.
The piston wears not the bore. Seal is static in the bore and the piston moves through it.
Mine has the original master cylinder re-sealed (years ago) and still works OK, I messed around trying to get a replacement because if you have a spare the original is guaranteed not to fail !
Colin
'56 Series 1 with homemade welder
'65 Series IIa Dormobile
'70 SIIa GS
'76 SIII 88" (Isuzu C240)
'81 SIII FFR
'95 Defender Tanami
'58 Series II (sold)
Motorcycles :-
Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C
Sorry Colin I haven’t looked inside a master cylinder just thought it was standard type but should have known better because it’s a Land Rover.
Gipp
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