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#11
16th February 2012, 10:30 PM
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My set up currently uses m12 bolts. I was planning to replace these with the m14 bolts from mx5 nuts but will need some bush inserts that will allow the bolt to pass through. It also looks like the MX5 bolts are a tad too long hence you are using the spacers. The play on my set up is due to using an m12 bold in an m14 hole.
I'm not sure if Nathan from NTS is planning to offer something similar to this?
__________________
Click to see my build photos on Flikr http://www.flickr.com/photos/67112582@N03/ Saturn MX5 Based Chassis, Limited Slip Diff & 2.4 Quick Rack. Build cost.... seems to be spending more on tools than car bits at the moment! (they will be handy in the future though). Car iva'd and passed 15/08/2014. Finished weight 572kg. 
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#13
17th February 2012, 09:38 AM
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I'm currently using M12 bolts too...
I've ordered some 14mm OD 1mm wall tube to sleeve the uprights and bring them down to 12mm: http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=390302914630 If that doesn't work, Talon's solution looks good!
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#14
17th February 2012, 11:29 AM
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Post some pics up of how you get on with this idea as I suspect that the end of the tube will deform as you try to push it home in to the upright. You may have to cut it over long then trim the excess off and file it flat.
__________________
Website http://www.talonmotorfabrication.co.uk/ Direct email phil@talonmotorfabrication.co.uk talonmotorfabrication@gmail.com Mobile office hours 07514098334
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#15
17th February 2012, 11:47 AM
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Quote:
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#16
17th February 2012, 11:47 AM
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Surely someone with a lathe can turn up a suitable shaft? I have made loads of bike frames over the years and never used the bikes swingarm spindle, I had a shaft machined then it was tapped each end or you could just have a flat machined one end so a spaniard fits on then tap the other so a bolt holds the whole plot together.
Because 12milly bolts in 14milly holes is just bad, no very bad engineering practise! You will never set the car up with that much play in the rear suspension, it will move all over the place. Last edited by MarkB : 17th February 2012 at 11:59 AM.
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#17
17th February 2012, 02:05 PM
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skov,
i was thinking about using the same method as you but using one continuous length tube between the front and back holes in the hub. I was thinking that way you will be able to get the tub all the way through without it crushing. (you can insert it with the bolt inside.) As far as m12 over m14 surely the car will be half the weight than the mx5.
__________________
Click to see my build photos on Flikr http://www.flickr.com/photos/67112582@N03/ Saturn MX5 Based Chassis, Limited Slip Diff & 2.4 Quick Rack. Build cost.... seems to be spending more on tools than car bits at the moment! (they will be handy in the future though). Car iva'd and passed 15/08/2014. Finished weight 572kg.
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#19
20th February 2012, 09:46 PM
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One piece of 14mm OD, 1mm wall, stainless precision tube:
 mated with one bottom wishbone hole:  A couple of gentle taps with a rubber mallet later:  One snugly fitting bolt:  Job's a good un!
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#20
20th February 2012, 10:14 PM
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looks like thats sorted. better go on ebay and buy some of that tube.
David
__________________
Click to see my build photos on Flikr http://www.flickr.com/photos/67112582@N03/ Saturn MX5 Based Chassis, Limited Slip Diff & 2.4 Quick Rack. Build cost.... seems to be spending more on tools than car bits at the moment! (they will be handy in the future though). Car iva'd and passed 15/08/2014. Finished weight 572kg.
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