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  1. #1
    Join Date
    Feb 2013
    Location
    Surrey
    Posts
    380

    Fitting a Le Mans Hardtop to my Dax. (JK / formerly Brookes Version)...

    Yes, my hardtop has finally landed. I'm going to 'blog' this project (and it is a project!) for your entertainment, my posterity, and, hopefully to provide useful experience for others on the same path - and selfishly, to glean knowledge from those of you that have already taken the plunge.
    I'll take some pics tomorrow, just kind of poking around and examining the components. ( I might have already removed the kick-panels, windscreen, offered up the roof, taken measurements, sat in the car pretending to be on the Mulsanne straight, banged my head 19 times, cut myself...)...
    DAX Cobra. May contain nuts. Always read the label.

  2. #2
    Join Date
    Feb 2007
    Location
    West Sussex
    Posts
    9,497
    Interesting, be interested to read this - I was about to put up a bubbletop hardtop thread, adapting a 289 bubbletop for a 427 with a rear roll bar leg.
    I've cut it up into 4 pieces and now on the home straight glassing it back together.
    Crendon Chassis No.49
    Huddart FE428 + toploader

    Not listed in the Shelby Register.

  3. #3
    Join Date
    Feb 2011
    Location
    Northampton
    Age
    42
    Posts
    4,784
    Quote Originally Posted by Bannon View Post
    cut myself...)...
    I think that's mandatory when working with anything fibreglass.. I still manage to jam the occasional sharp strand right under a nail when I'm feeling for a blind fixing.. you'd think I'd have collected them all by now!
    My DeDion build diary..
    Hon Sec of the Digidash branch of the Unpopular Kit Car Design club

  4. #4
    Join Date
    Apr 2004
    Location
    East Leake, Nottinghamshire, England.
    Age
    56
    Posts
    9,641
    Don't know if this is of any use at all but I made a post of when I fitted a Dax hard top to my AK.
    Martin

    351W 416.7 HP and 466.8 ft-lbs

    Running Mega Squirt and Edis 8


  5. #5
    Join Date
    Feb 2013
    Location
    Surrey
    Posts
    380
    Quote Originally Posted by TINKA View Post
    Don't know if this is of any use at all but I made a post of when I fitted a Dax hard top to my AK.
    Hell yeah - I have studied your thread in great detail previously. Very brave and successful result. Looks superb!
    I felt quite daunted if I'm honest - after John had left, it was quite late, maybe after 10pm and I was alone in my garage with this hardtop kit. It is very 'raw' - far from being a matter of assembly then paint, there's alot to be done. For example - the sidescreens. I have a sheet of perspex, some alloy extrusion and some hardware. Definitely a process to be taken slowly and patiently. I knew all this, but now it's real.
    I think it looks like a good sturdy moulding though, the parts all appear to be the right shape and size, and thanks to John's email of assembly instructions and lots of photos, I'm really looking forward to getting on with it. It seems to sit nicely in position, so first stage will be to install the rear deck attachment fixings. Measure, measure, MEASURE. Go to bed. Wake up and MEASURE AGAIN.
    I will get round to posting some photos soon.

    First questions: What fasteners do guys use to attach the over-centre catches to the hood bows on your soft/hardtops?

    Also: What fasteners do you use to attach the hood bows into the channel on the hardtop, and where did you decide to put the fasteners through?
    DAX Cobra. May contain nuts. Always read the label.

  6. #6
    Join Date
    Apr 2004
    Location
    East Leake, Nottinghamshire, England.
    Age
    56
    Posts
    9,641
    Quote Originally Posted by Bannon View Post

    First questions: What fasteners do guys use to attach the over-centre catches to the hood bows on your soft/hardtops?

    Also: What fasteners do you use to attach the hood bows into the channel on the hardtop, and where did you decide to put the fasteners through?

    If I understand your questions right you use exactly the same bows and fasteners for both the soft top and the hard top, the only difference is you remove the clips in the bows where you slide them into the channel in the middle top of the screen.
    Martin

    351W 416.7 HP and 466.8 ft-lbs

    Running Mega Squirt and Edis 8


  7. #7
    Join Date
    Feb 2007
    Location
    West Sussex
    Posts
    9,497
    As per Martin's post.
    be aware that the bows for the soft top are slightly wider than the unfinished hardtop bows you can get from Europa. I guess this is to accommodate the mohair being wrapped round the inside surface and bonded in place.
    The ones I got also didnt fit very well, so I'll probably stick with the shorter narrower hardtop bows I already have.

    As for fixings, this is a work in progress for me - I have a few items on order I'll be experimenting with.
    Crendon Chassis No.49
    Huddart FE428 + toploader

    Not listed in the Shelby Register.

  8. #8
    Join Date
    Feb 2013
    Location
    Surrey
    Posts
    380
    Thanks for the replies, I've got stainless bows with the kit, which are shorter than the soft top bows but otherwise the much same. I fitted the rear deck attachment points yesterday with no problems BUT - the channel for the hood bows is very badly moulded on the offside. I'm going to have to cut a lot of it away to get the roof to sit properly and then re-glass it. I need to get the hood bow further up into the channel by at least 15mm.
    Once that's done, my idea is to bed the hood bows in with Sika-Flex, then once they've set, use large flange pop rivets through the top of the bows into the channel and finally fill any voids with more Sika-Flex.

    I'll get some photos up soon, sorry for the delay!
    DAX Cobra. May contain nuts. Always read the label.

  9. #9
    Join Date
    Oct 2017
    Location
    Oxford
    Posts
    1,165
    Yes come on, we need photos..........
    Classic Replica Viper IVA passed 25th March 2021

  10. #10
    Join Date
    Nov 2012
    Location
    Lanarks
    Age
    65
    Posts
    692
    Above the screen I fitted this grp support channel which was bonded to my hardtop at the correct angle.

    2 small T-bolts were slid along the top of the screen to near the outer edge
    Holes drilled to suit the bolts
    There is just enough room for washers and wing nuts.

    Between screen and support is a cushion of sponge stuck to the underside of the support/roof

    At the rear 2 catches behind the seats
    Attached Images Attached Images

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