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Rear bump stops in a dry suspension subframe


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#1 decarcer

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Posted 27 July 2007 - 02:38 PM

hi there

I am willing to install this item in a dry cone suspension mini to avoid rear arches rubbing when cornering hard.
http://www.minispare....aspx?kid=34221

In the mini spares web page there are some instructions but are too short to be understood... (my english is not so fluent also :thumbsup: )

I´ve read in some forums you can adapt such item to the dry cone suspension car.... but no further explanation of how to do it. :o

would yo be so kind telling me how to do it, in a comprehensive way? :thumbsup:

Cheers

Guillermo
Spain

#2 Ethel

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Posted 27 July 2007 - 02:58 PM

I have not fitted these but I have just read the advice on Minimania about them.

The bumpstop mount on the radius arm in place of the connection between the metal brake pipe and rubber hose, so the first thing you have to do is move the brake line to the underside of the radius arm and secure it with a hose clip or something similar.

You then drill and tap a hole (5/16 unc is suggested) to fasten the metal part of the bump stop kit to the arm.

This part replaces the standard bump stop on a hydrolastic mini so a picture of that cars suspension would help you.

I think there is quite a lot of work to fit these to your car.


Hola Ethel :thumbsup:

#3 Turbo Nick

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Posted 27 July 2007 - 05:27 PM

i'll be fitting a set of these to the mighty mini in a couple of weeks, will let you know how it goes if youw ant.

#4 minivanman

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Posted 27 July 2007 - 06:00 PM

I think Dan fitted some of these last year and said they were just an exhaust bobbin cut in half.

#5 decarcer

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Posted 27 July 2007 - 07:33 PM

i'll be fitting a set of these to the mighty mini in a couple of weeks, will let you know how it goes if youw ant.


hi bud666, I´ll be glad if you can post detailed pictures of how to perform such modification.... :thumbsup:

I think Dan fitted some of these last year and said they were just an exhaust bobbin cut in half.


minivanman, I am afraid my english is not so good to get your message... :o 'exhaust bobbin???'... what does it mean? :thumbsup:

thanks for your replies....

Guille

#6 minivanman

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Posted 27 July 2007 - 07:41 PM

sorry about that. An exhaust bobbin - also known as a cotton reel mount - a barrel shaped piece of rubber to hang the exhaust on. Like this. :thumbsup:

#7 icklemini

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Posted 27 July 2007 - 08:56 PM

I fitted them to the Mighty i look after at the start of the year..

bit of a pain to do on the car but basically:
Disconnect the brake line on the radius arm and move underneath / out the way (tiewrap clip it back to the arm)
grind smooth the area where the metal bracket is where the brake line goes through (on the top of the radius arm)
drill and tap. (awkward when the radius arm is on the car)
fit bumpstop and its mount - awkward bit here is fitting the bumpstop to the metal mount!
trim top of bump stop if necessary - and make sure any body seams are out of the way...

They are a lot beefier than an exhaust bobbin...

TTFN,
Dave

#8 Turbo Nick

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Posted 27 July 2007 - 09:02 PM

cheers dave, should be a bit easier for us hopefully with the subby off. fingers crossed we'll be done for oulton, hehe :thumbsup:

#9 icklemini

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Posted 27 July 2007 - 09:07 PM

yeah - to be honest its dead easy if you can get a drill and course tap in there (unc or metric) :thumbsup:

important to trim a bit off them so the rear end does have suspension travel!

#10 minivanman

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Posted 27 July 2007 - 09:07 PM

This is the topic I was thinking of. Although looking at it I think I'm thinking of the wrong thing. :thumbsup:

#11 icklemini

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Posted 27 July 2007 - 09:14 PM

Tom - you'll see the ones on the racer on Sunday....

#12 Dan

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Posted 28 July 2007 - 12:29 PM

The sliced exhaust bobbins are used for bumpstops fitted inside the rear springs, used with heavy wheels or lowered cars to stop harsh bottoming of the springs due to late subframes havig solid spring bases. These progressive bumpstops are different and were originally used on Hydrolastic cars. The actual rubber is the stop from an MGB.

Edited by Dan, 28 July 2007 - 12:31 PM.


#13 Andy500

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Posted 28 July 2007 - 06:24 PM

The ERA had them fitted inside the rear cone. But they used cut down front bumpstops. There what im gonna fit on the 500 as soon as i get chance.

#14 decarcer

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Posted 30 July 2007 - 09:14 AM

sorry about that. An exhaust bobbin - also known as a cotton reel mount - a barrel shaped piece of rubber to hang the exhaust on. Like this. :angry:


no worries, in any case is my fault not to understand some words :angry:
here in Spain we call this 'silent-blocks', and might be a solution but have bo clue where to install it.

This is the topic I was thinking of. Although looking at it I think I'm thinking of the wrong thing. :-


I saw this item before posting this thread. To be honest, I do not like that much. Rather like not to touch the rubber cone!!!


I fitted them to the Mighty i look after at the start of the year..

bit of a pain to do on the car but basically:
Disconnect the brake line on the radius arm and move underneath / out the way (tiewrap clip it back to the arm)
grind smooth the area where the metal bracket is where the brake line goes through (on the top of the radius arm)
drill and tap. (awkward when the radius arm is on the car)
fit bumpstop and its mount - awkward bit here is fitting the bumpstop to the metal mount!
trim top of bump stop if necessary - and make sure any body seams are out of the way...

They are a lot beefier than an exhaust bobbin...

TTFN,
Dave


Thank you very much Dave for the nice description. I do have the radius arm out of the car... it is a full restoration!!!!) so might be easier to do it. Nevertheless I do not like the idea of drilling and moreover to move the brake pipe underneath the arm. I am afraid it can be damaged easily.


I've been searching internet and found this:
http://www.sracer.co...ucts/spr015.htm

aparently, minimania (the US equivalent to MINISPARES) have those in their catalogue.

Have you heard about this item?... is it worth to try it?

Cheers and thanx all you for your help.

Guille




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