Mobeck Tekniske are building a complete historic racecar for a customer. This will be a replica of Tom Walkinshaw’s 1984 Jaguar XJS TWR Gr.A car and I put all my effort to make it as thrue to the original  and correct as possible in all details and spesifications. Follow this project page to the details witch is uniqe to this racecar. In Historic racing the cars has to be built just like the originals and no modern equipment must be used, this means I have to do a lot of research and special work.

An XJ-S with a good body and without an engine was found in Stockholm. The car was stripped for all parts and the whole body was dipped in acid bath to get rid of rust and paint. After acid dipping its so much easyer to see the state of the plate and do the work with cutting, modifications and welding. The weld quality will be soo much better and you dont get any contamination in the melting pool.

A big part of the work makeing a racecar like this is the research aorud witch modifications they did to make it a racecar in 1984. I have traveled and wisited the original and taken measurements and hundreds of photos of most parts and I ahve also been reding books and written to some of the guys who worked with this at that time. A Gr.A car are supposed to be mildly modified as they should have no body widening, original suspension, std valvelift and std manifolds. This class was like this to see “std” cars compete on the track, a good idea. But as I get deeper into the project I discover that the TWR Jaguar must have bee one of the most modified Gr. A cars that was built. They where pretty good at bending the rules, and because of this I end up with a lot of work. The suspicious and on the edge modifications has to be done also, to make a correct replica.

On racecars is standard procedure to seamwled all plate joints for extra strength. It will also be a lot of modifications to make room for wide wheels, air jacks, special suspension mounts, totally 4 oilcoolers and a bigger radiator. I have the homogolation papers for XJS Gr.A and I find a lot of pictures and details there I can work by.

The suspension is strengthened and new mounts are made like I see them in old pictures. The rollcage is also made to look like the original but at the same time it has to be FIA aproved.

Now most the mods and tricks are in place and I work with removeing brackets for interior and such.  Then makeing mounts for motorsport equipment and aerodynamic aids before its shipped for painting.

Karosseri ferdig preppet. Lakk neste

We use a epoxy primer and solid paint with a clear coat, white underbody and trunk like some of the originals. Its easier to work at night and also easier to spot cracks and damages when things are white.

So now its for some sponsors and race livery

Here we take a quick jump to the complete finished car for the looks of the body. You can read abot the suspension, brakes, driveline and engine in another chapter on this website.

  1. Nice work on the XJS TWR Project.
    I’m a big fan of the original car, and its great to see somebody doing a replica build.
    I’ve been rebuilding my xjs 87 for a couple of years . Just keeping it a stock car have not got the talents that you have to upgrade.
    cheers from Vancouver BC

  2. Looks fantastic, doing a less detailed build myself.
    Looking forward to seeing more of the mechanical detail, engine exhaust suspension etc.
    Did you make the call centre lock hubs or buy them?. Where did you get the brakes ?

    • Thanks Robert.
      More pictures will come, I have just been so busy in the workshop and the website suffer.
      Calipers are made from billet aluminium as a copy of the Endurance AP caliper from 1984.
      Wheels and hubs are custom made for the project also.
      Ole M

  3. So nice:)
    I am hoping to build a race XJS from a bare body, however, not to group A specs!
    I have a Jaguar wrecker whom has a bi turbo ex racer (body not good) may make the job easier.
    Do you have any panels or items to reactivate for sale to builders such as me…?

    • I have a lot of parts Reginals, but I try to focus on special parts that you cannot get elsewhere, like special engine tuning parts as cams, valves, manifolds, and such. Also Shock absorbers for racing, adapted to the customers need and skills.

      Ole M

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