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About MadMarx

  • Birthday 01/14/1968

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Profile Information

  • Location
    Saarbrücken - Germany
  • Cars Owned:
    Racing Triumph's
    Triumph TR4 - 1962 - race car
    Canadian Group 44 IMSA TR8

Recent Profile Visitors

597 profile views
  1. MadMarx

    I'm getting too fat....need stiffer springs.....

    220 pounds: 300 pounds:
  2. MadMarx

    I'm getting too fat....need stiffer springs.....

    I was on a suspension website today and they start with 900 pound springs and go up to 2000 pounds. So I'm on the beginner level of spring rates :-)
  3. MadMarx

    Working in Jongbloed 3-piece wheels

    not very wide: 12J15
  4. MadMarx

    Working in Jongbloed 3-piece wheels

    worked a little more on it:
  5. MadMarx

    TR4 in front

    TR4a IRS, not live axle.
  6. They started leaking because they were assembled the wrong way somehow in the past: Many bolts. They have forgotten to put the silicone between the halfs, and not in the bed.
  7. MadMarx

    Hot TR7V 8

    Restrictor? Plate with a hole in it.
  8. MadMarx

    Hot TR7V 8

    BTW...on my 8 I have a free flow cooling system. No thermostat, no restrictor.
  9. MadMarx

    Hot TR7V 8

    does your waterpump rotate in the correct direction? there are two types of pump, and one type is rotating the other way. If you are running the wrong one then you won't get much flow. Your pump looks like an early pump so it should be driven by a standard oldfashioned pulley belt.
  10. MadMarx

    Hot TR7V 8

    Careful with these laser infrared temperatur gauges: 1. they don't measure the spot of the laser 2. They have a type of wide angle lense to "see" the infrared radiating surface 3. If you want to measure a spot, go as close as possible to that spot. More distance, more surface the lense see, like with a camera, the more inacurate the reading is. See you manual, how large the surface is, the lense sees. 4. You read wrong on shiny metal surfaces (see Maxwell for this). The temperature reading will be too low on bare metal surfaces. If you want to measure a shiny metal surface, stick a patch of tape (regardless what color, not transparent) on that surface you want to measure. Hope this helps.
  11. MadMarx


    I've used Yellow Stuff for many years and liked them very much. Somehow this year the brake pads developed on both race cars trouble, starting with the TR4 that I wasn't able to slow down the car on the corners and with the TR8 that the friction material separated on several occasions from the backing plate. I've moved over to Pagid and it seems the problem is solved. More consistent, better performance, less pedal pressure is needed.
  12. MadMarx

    Found Photos

    The flying 4 photo was taken on the Nordschleife at the Quiddlebacher Höhe at speed of about 119mph
  13. MadMarx

    Triumph TR8 at Spa (again)

    Yes the car does corner, but I didn't find any rails.

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