Sam's Estoril Blue E46 M3

Discussion in 'Member Rides' started by SamR, Nov 18, 2012.

  1. 13 Mar 2019 at 1:24 PM #841
    SamR

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    So took my shocks off over the weekend to clean up and make sure they're all okay, been on 2 years so got a little grubby.

    Shocks all fine to be expected, couldn't find any play in any of the bushes or joints but did noticed the strut towers looking little worse for wear... again. I'd cracked the back hole on the near side 2 years ago, had repaired and plated underneath with OEM plates.

    This weekend and at first glance it looked cracked again as the paint had split, sanded back and still looked cracked.

    I booked into Absolute Customs Bucks and got the car apart but on deeper investigation what I thought was the crack was the weld grinded back, but the tower had misshaped slightly so we decided to remove the not very manly OEM plate from the bottom and cut and weld some beefy 3mm plate to the top.

    Suspect crack

    [​IMG]Untitled by Sam Ratcliffe, on Flickr

    Old plate off and mount prepped

    [​IMG]Untitled by Sam Ratcliffe, on Flickr

    [​IMG]Untitled by Sam Ratcliffe, on Flickr

    I always go for round holes as feel its stronger and I don't need the chassis adjustment as Nitron have ample.

    [​IMG]Untitled by Sam Ratcliffe, on Flickr

    Looking at the mount you can see why its an issue, the nitron running max caster has a small surface area and sharp edge where all the load is going so its bound to do some damage.

    [​IMG]Untitled by Sam Ratcliffe, on Flickr

    Only managed to etch primer it and stone guard the underside as it was a drive in drive out job

    [​IMG]Untitled by Sam Ratcliffe, on Flickr

    [​IMG]Untitled by Sam Ratcliffe, on Flickr

    [​IMG]Untitled by Sam Ratcliffe, on Flickr

    Have a few more things jobs I'd like to complete but time and weather is against me.

    For now just a geo & MOT then I'm all set for Snetterton on 30th March.
     
  2. 13 Mar 2019 at 3:01 PM #842
    m3driven

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    After fitting the reinforcement plates it appears you now need longer studs for the nitrons.
     
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  3. 13 Mar 2019 at 5:10 PM #843
    Dan320is

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    As above Sam, I'd avoid a track day until longer studs are fitted into the top mounts.
     
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  4. 13 Mar 2019 at 5:25 PM #844
    SamR

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    These nuts have a threaded collar on them at goes down into the strut brace. So there is a lot more meat than the eyes see.
     
  5. 13 Mar 2019 at 9:45 PM #845
    Tyler

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    You Dudes are so right!!!! Avoid at all cost!!!

    I'm surprised you didn't notice this yourself or the fabricator :eek::eek:


    :oops:
     
  6. 14 Mar 2019 at 8:27 AM #846
    m3driven

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    I understand this but you have lost stud length from the nitron camber/caster plates and now from the reinforcement plate. Considering the hard track application, which has caused your strut turrets to fail, I think it would be prudent to use longer studs. I am not an engineer but it is objectively clear that the nitron studs have fewer threads in contact with the nuts and thus less strength. If this will cause a failure I do not know, but I would not want to find out through experiment.
     
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  7. 15 Mar 2019 at 11:45 AM #847
    SamR

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    Kuszpit, Dan320is and m3driven like this.
  8. 15 Mar 2019 at 1:40 PM #848
    m3driven

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  9. 16 Mar 2019 at 8:49 PM #849
    Andy318is

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    Buckled to peer pressure!!! LMAO!
     

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