| [ Total Views: 920 | Total Replies: 10 | Thread Id: 94880 ] |
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 aussie260z
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| posted on January 19th, 2012 at 07:01 PM |
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Big Master cylinder
Hey guys was wondering if anyone knew of a bigger MS sold in Australia for a 1300 1974 bug?
I am running from discs and converting to rear discs aswell.
I bought one from the US with (I think) about a 22mm bore - but everything is on the wrong side - brakes will foul on the trans tunnel.
I can get around this easy enough by cutting and welding myself some clearance - but before I did I thought I would check what other folks have done
as there must be a lot of folks out there rubbings discs front and back and have dealt with this issue with restoring to the welder :-)!
And.........do I need a bigger MS or can I just run my old MS?
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grumble
Son of Jim - Creator of Good
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| posted on January 19th, 2012 at 07:09 PM |
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What about one from England?
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Joel
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| posted on January 19th, 2012 at 07:17 PM |
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Plenty of us are running 4 wheel discs on the stock M/C
I got a 4 wheel drum 1300 same as yours laying around somewhere but from memory they are same bore size as disc.
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 Yogie
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| posted on January 19th, 2012 at 07:19 PM |
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From what I remember, the standard dual master cylinder works fine.
Yogie
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aussie260z
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| posted on January 19th, 2012 at 07:59 PM |
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Yeah, I will google Pom VW sites and see what they have.
Well if other folk are running the stock MS I am sure I will be fine then - just annoying......did not think they would change the castings for LHD,
just have all MS's clear for L & RHD.
Tedious alright :-)!
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Yogie
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| posted on January 19th, 2012 at 08:07 PM |
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You can buy new ones from the suppliers here in Oz as well.
Yogie
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Smiley
A.k.a.: Daniel Stephens
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| posted on January 19th, 2012 at 09:08 PM |
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Bay window Kombi M/C works well. It's a 23mm bore which is 15/16".
Some bolt pattern and only needs a slight mod to fit. This is what I'm going to be fitting to my Baja when I fit Commodore discs front and rear.
Smiley 
If you said I was a Volkswagen man, you'd be right.
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aussie260z
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| posted on January 19th, 2012 at 11:55 PM |
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Cool Yogie - who?
Sweet with the Bay Window - take it I just need to re-organise my brake lines a little bit and I am away?
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vwo60
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| posted on January 20th, 2012 at 12:29 PM |
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If you increase the size of the master cylinder the force required at the pedal will increase by quite a large amount,I think the legal requirement is
about 45KG, a increase from 19MM to 23MM will increase the piston size substantially, i run four spot front calipers with ford rear calipers with the
standard master cylinder and have a good pedal and bias
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Yogie
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| posted on January 20th, 2012 at 03:03 PM |
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I bought mine from the VW & Volvo centre years ago in Brisbane. I would look up Vintage Vee Dub or one of the other shops that sponsor the site
as I would expect they should all have them.
Yogie
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Calcool
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| posted on February 10th, 2012 at 04:33 PM |
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Vollks advertise a Master Cylinder that is a larger bore for Beetles running 4 wheel disc brakes? I have not bought one or know how or if it works,
maybe you can do some more investigation and let us know how it works. I have purchased a 4 Wheel disc set up and was looking to run a vacuum Boosted
sytem with a remote booster?
Cheers,
David
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