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Mx5 camber bolts.

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Mx5 camber bolts.

Postby notch000 » Mon, 06 Mar 2023 11:44 +0000

I got a full set of 1L wishbone bushings that I'm going to attack in the near future. I was planning on getting a couple of spares but should i just replace all the camber old bolt sets as good practice ?
A couple of the nuts look very crusty and might need the angle grinder and punch removal technique ?

Also what is the procedure for reassembly and realignment ? what do I need to maker or record settings prior to removal. Or will I just reassemble all and leave a full alignment to the shop afterwards ?
I will def need a full alignment , will a rough set up be fine for driving a few mile into the alignment shop ?

I might drop the rear subframe too for refurb, il see how the front end go first
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Re: Mx5 camber bolts.

Postby Pops » Mon, 06 Mar 2023 1:18 +0000

If you're going to be removing the wishbones its the ideal time to replace the camber bolts, when I did mine some of them snapped, if you do break any I have a few if you're stuck.
I set my tracking / camber using the string method for the alignment and a plumb Bob for camber, that should be fine for you to get basic setting. As a rough guide you can set the centre mark on the bolts to the center of half moon on the subframe. Your biggest challenge might be finding a tyre centre that has the know how to set the geometry properly and not like I have been told that there's something bent because they couldn't understand why there's so much adjustments needed.
https://youtube.com/watch?v=pVForVF4gGA&feature=shares
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Re: Mx5 camber bolts.

Postby Pops » Mon, 06 Mar 2023 1:46 +0000

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Re: Mx5 camber bolts.

Postby notch000 » Mon, 06 Mar 2023 3:21 +0000

OK great thanks for that guide.
ill have ago at the fishing line & plumb method (might be months away yet, no rush, I don't think it will get on the road this year so i can tip away at a few more jobs).

I saw this alignment done at rally service parks over the years and was always intrigued by it. Mind I ask how do you adjust the camber / castor once set up ? where is the adjustment it it twisting the bolts or torqueing them down more ? I take it you don't final do torque until on 4 wheel ?
Another what direct to rust primer did you use ? will be doing the same.

I saw a full set of genuine 8 x castor bolt from skid nation for 130euro or 10$ stg each from Mx5 parts and play the customs roulette !! not sure , I better get the full set anyways.
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Re: Mx5 camber bolts.

Postby Pops » Mon, 06 Mar 2023 3:36 +0000

I think I took the idea from miata.net/garage/alignment/
Its, 4 wheel alignment on a mazda mx5 miata by Andrew Williams ImageImageImageImageImageImage

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Re: Mx5 camber bolts.

Postby Steve » Mon, 06 Mar 2023 3:39 +0000

yep, twisting them changes the settings as the disks on the bolts are offset. *edit* see in the pics in Pops' latest post
Def worth having at least a few spares around if not a new full set, its likely some will snap.
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Re: Mx5 camber bolts.

Postby Pops » Mon, 06 Mar 2023 3:49 +0000

I found this to be a very good manual for the mx5 Image

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Re: Mx5 camber bolts.

Postby notch000 » Mon, 06 Mar 2023 4:54 +0000

Ok makes sense, so you twist the bolt as opposed to torqueing the lock nuts, i coud'nt get my head around it.

I think i have the Haynes manual at home too, thanks for the scans. They will be scrutineer later.
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Re: Mx5 camber bolts.

Postby mrges » Fri, 24 Mar 2023 8:57 +0000

Great info above.
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