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Old 01-07-2019, 03:27 PM   #1
benvvc
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Default Metro radius arms???

Hi can someone clarify as to wether metro radius arms fit in a mini subframe?

And also does anyone know how to alter the stub axles so that you can mount your mini rear shocks to them?

Currently running a Watson's front subframe and rear spacers but the track is still around 3 inches narrower at the rear, and I'm trying to equal the front and rear track without ridiculous spacers.

Ben
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Old 02-07-2019, 07:40 AM   #2
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Exactly the same problem I had. I had some custom arm pins & spacers made to space the back plates and drums out and then used 1" pcd adapters to give an extra 1" to fit the metro wheels.
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Old 02-07-2019, 08:10 AM   #3
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The Metro arm pivot shaft is 40mm or so shorter than a Mini one so without making a new outer bracket it is not a bolt-on fit

You could press out the Metro stub axle and fit a Mini one but you will still have an issue. The Metro arm is much wider than the Mini one so the damper would have to be stretched at an angle to get it on the stub axle. That probably is not good for its operation or the rubber bushhings.

What you could do is make a bracket that bolts to the 3 rear back plate bolts and makes up the space between the arm and the damper.

Or as gadget has done, use a Mini arm, space out the Mini drum and get a longer stub axle made. MarkD used to make them but contact with him is sporadic.
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Old 02-07-2019, 12:49 PM   #4
benvvc
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Cheers for the replies. im using offset coilovers as I used to have a beam axle. I have looked into the rear bracket option, and thought about welding a bit of steel bar to the rear of the arm and using the bracket as extra support, then drill and tap a 12mm thread into it and use a ht bolt to mount the shock on???

Any pros or cons to this idea?
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Old 07-07-2019, 07:41 PM   #5
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I'm trying my luck with the same convertion at the moment so far I have found that you need new stub axles can be machined from bar stock (E19 or equivalent think is 4140) I cant remeber the measurmensts off top my head but I think you need to add an extra 70mm onto the existing length of the stub axle in order to reach the shock mount position

The arm its self is the around 20mm smaller in width than the mini ons so a bush has to be made up and you can use the standard minibar arm shaft as same diamiter .

Then lastly you have to overcome the handbrake cable this can be done by drilling a hold in the arm and inserting a tube that can be welded in so that the handbrake quadrant can be fitted then just extend the end bracket slightly to compensate for the extra length

Only other thing I have found is the arm catches on the subrame as it's not as smooth as the mini arm this just need a good grinding session just to smoth out the nobbaly bits

Ps sorry for any spelling or grammar replying in a hurry
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Old 08-07-2019, 05:38 AM   #6
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These are 100 mm longer I think
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Old 08-07-2019, 12:29 PM   #7
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Could I ask where you got them from ? And how much thay cost need to get some made myself

Is the 100mm for mini fitment or midas ?
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Old 08-07-2019, 01:23 PM   #8
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Quote:
Originally Posted by Adamrichards View Post
Could I ask where you got them from ? And how much thay cost need to get some made myself

Is the 100mm for mini fitment or midas ?
Yes those are Midas fitment, I've PM'd you Roy's email address.
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Old 08-07-2019, 03:06 PM   #9
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Thanks very much I will drop him a message

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Old 11-07-2019, 12:43 PM   #10
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Could you PM me the guys email address too plz as would save a lot of swearing and head scratching lol
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Old 11-07-2019, 05:27 PM   #11
Artstu
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Could you PM me the guys email address too plz as would save a lot of swearing and head scratching lol
OK
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Old 15-07-2019, 05:54 PM   #12
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Thanks
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Old Yesterday, 04:08 PM   #13
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Few pics from the progress nothing much but can see that a 25mm spaces needed to stop the arm drifting using mini shaft

Also I have ground down some of the casting Mark's that stopped it from having a smooth movement also shaved a light bit off the knuckle joint cup and that also rubs but only a couple of MM

Just need a stub axle and she will be also complete

Only other issue I have seen is i have rover metro arms I believe thay use a diffrent knuckle joint this doesn't fit inside the HI low shafts of my not 100% how I'm going to get round this yet need to see if mini ones will fit

Or maybe have to get my hands on Austin metro arms instead

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