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Radius Arm Reaming Question


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#1 Saxo-Fiesta-Mini

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Posted 23 January 2010 - 10:28 PM

I have to redo the radius arm pin on my passengers side but can i use a small cylinder hone to ream the rear bronze bearing

surley if i take my time and keep checking cleance should be ok and save £20

thoughts thanks
sean

#2 CLASSIC-MINI-BITS

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Posted 23 January 2010 - 10:32 PM

no!! you will get it to pass a mot doing it that way only due to the minimal movement but as you use the mini it will fail and show signs of play just like the previous ones, not worth it!.

#3 Saxo-Fiesta-Mini

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Posted 23 January 2010 - 10:35 PM

jason do u just want me to buy the radius arm thats sitting on the shelf lol

#4 Ivor Badger

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Posted 23 January 2010 - 10:38 PM

75%+ of the time, simply changing the shaft and the needle roller will make the arm more than adequate for an MOT or even hard use. Most of the wear is in the shaft.

#5 Ethel

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Posted 23 January 2010 - 10:39 PM

I've done king pin bushes using wet 'n dry wrapped round a socket - lasted longer than the bushes I had reamed in by the local garage.

#6 Saxo-Fiesta-Mini

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Posted 23 January 2010 - 10:39 PM

well i bought the arm off a scrapped mini nowt to do with mot ive seen the tyre and when i corner to the left at speed can feel it trying to steer

#7 nicksuth

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Posted 23 January 2010 - 10:41 PM

Interesting article - clicky

#8 Saxo-Fiesta-Mini

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Posted 23 January 2010 - 10:49 PM

awesome thanks nick i've been thinking about it for a while and im not too bad at fiddly jobs so long as i take my time thanks ill be using said approach this week cheers :thumbsup:

#9 MRA

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Posted 23 January 2010 - 11:08 PM

it is doubtful that you will get it concentric...... and therefoee wear will be very quick :thumbsup:

#10 Saxo-Fiesta-Mini

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Posted 23 January 2010 - 11:15 PM

its better than wet and dry sand paper hahahaha that was my first suggestion
ive used a rehoner before shouldnt be any harder than doing a clyinder bore

#11 dklawson

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Posted 23 January 2010 - 11:30 PM

For the reason that Martin specified, I have NEVER liked the idea of honing the bushes. However, I know a half dozen or so people who have done it.

I also agree though that your first check should be with a new shaft in the old arm. You might be surprised.

The first time I did this task I set up everything on a milling machine, indicated and bored the bushings. That was a lot of work. I took the time after that to make a reaming tool for the job. It requires you to put the bearings in, then use the needle bearing to guide the reamer through the bushing.
http://home.mindspri...ArmReamer01.jpg

#12 HARBER07

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Posted 23 January 2010 - 11:33 PM

Thanks very much for that Doug :thumbsup: . I copied your reaming tool last time i re-conned the radius arms and it was spot on!!

#13 nicksuth

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Posted 23 January 2010 - 11:36 PM

or you could buy the real thing from Somerford for the bargain price of £425.94 - clicky

Edited by nicksuth, 23 January 2010 - 11:43 PM.


#14 HARBER07

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Posted 23 January 2010 - 11:39 PM

How many http:'s do you need in there man? :thumbsup:
Try Here

#15 nicksuth

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Posted 23 January 2010 - 11:44 PM

must have been a stuttttter




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