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Wombat
PostPosted: Fri Oct 13, 2006 1:14 pm 
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outside the original cooper booster that is.

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drmini in aust
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PostPosted: Fri Oct 13, 2006 5:36 pm 
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I think a VH40 works, not sure of the boost ratio it's probably greater than a VH44.

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CPOCSM
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PostPosted: Fri Oct 13, 2006 8:18 pm 
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yepp the VH 40 does work however it makes your braking very toey. I nearly went through the windshield with mine. It is now subsequently off and stored...lol

Hooroo

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Morris 1100
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PostPosted: Fri Oct 13, 2006 8:25 pm 
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There are some small boosters that were fitted to Jap cars in the late 60's. But i think the best option is a VH44. I know they fetch silly prices on ebay but you can pick them up from wreckers and swap-meets for much cheaper prices.
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Gadgets mini
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PostPosted: Fri Oct 13, 2006 8:29 pm 
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:? how do they hook up??

does it need a new master Cyl??

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Morris 1100
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PostPosted: Fri Oct 13, 2006 8:37 pm 
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Gadgets mini wrote:
:? how do they hook up??

does it need a new master Cyl??
They simply hook up to the pipe from the master cylinder to the brakes (you need to make up new pipes) And you need a vacuum hose from the inlet manifold. You use the original master cylinder.
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drmini in aust
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PostPosted: Fri Oct 13, 2006 8:41 pm 
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Gadgets mini wrote:
:? how do they hook up??

does it need a new master Cyl??

there is a pipe from the MC to the booster and another from end of booster to the tee on the firewall.

Uses any 0.700" Mini MC.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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Gadgets mini
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PostPosted: Sat Oct 14, 2006 9:16 am 
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8)

thanks

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Wombat
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PostPosted: Sat Oct 28, 2006 10:27 am 
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In my travels I found out VH40 is for disc brakes and VH44 for drums.

The guy on ebay - Terry from Hyrdoboost 03 93904811 - has reconditioned ones in stock $200 something and $35 for the bracket to suit Mini

Question of the learned people - would you connect all 4 wheels to the booster or only the front wheels?

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David L
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My greatest fear in life is that when I die my wife will sell my Mini and tools for the price I told her I paid for them!
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simon k
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PostPosted: Sat Oct 28, 2006 11:27 am 
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Wombat wrote:
In my travels I found out VH40 is for disc brakes and VH44 for drums.

The guy on ebay - Terry from Hyrdoboost 03 93904811 - has reconditioned ones in stock $200 something and $35 for the bracket to suit Mini

Question of the learned people - would you connect all 4 wheels to the booster or only the front wheels?


on a mini it's all 4 wheels, we have the limiting valve at the back to stop them locking up..... Cooper S's are set up with all 4 wheels

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drmini in aust
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PostPosted: Sat Oct 28, 2006 7:51 pm 
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But if you have a tandem MC on a late Clubby just hook to the front circuit, it works fine.

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