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MadMarx

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MadMarx last won the day on February 6

MadMarx had the most liked content!

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About MadMarx

  • Birthday 01/14/1968

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  • Website URL
    http://www.tr4-racing.de/eng/madmarx-racing.html

Profile Information

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

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  1. I go beyond 5.5k if there are long straights. I'm running a 3.6 axle. The engine pulls good from 3k upwards. Very relaxed driving. High gear and letting the engine doing the job.
  2. Some logging date: max lateral G force: 1.8G max longitudinal G force: 1.2 G Top Speed: 248 kph Estimated min laptime: 2.41.5 (if all sectors would be perfect)
  3. The V8 has not much power, but much torque and at a very low point. Shifting at 5.5k doesn't hurt the performance. At least, fast enough to beat a 996 GT3
  4. Oh dear. Yes, Chris Edwards showed up at my place and asked for a valve spring, which I unfortunately didn't have. But next time I have. I put some in my box. Sorry Dave, that you camshaft broke. Another good reason to stay away from high revs. The TR4 shifts at about 6k and the TR8 about 5.5k.
  5. The weather was warm enough that the tires made stripes on the floor:
  6. Hi Mick, for testing I had set the front dampers from run to run harder. But I'm not sure that harder damping did do well as the car started bouncing. I need to look deeper into this. The good thing, I came closer to my desired laptime. 2:44 is not too bad under this very hot conditions with ambient temperatures of about 36°C. I broke the watt link braket:
  7. I meanwhile know that the TR8 is driven by Andy Graham. I mixed up the names
  8. I've seen that on the YTCC grid is Graham Miller listed with a TR8. Maybe he's driving his old yellow peril? Would be great to see him again, after some years now. Today I've tested my new polish: TR8 lurking in the dark.....driven by a sinister
  9. Ah, I've forgot to mention the torque rods at the rear axle.
  10. Driving the TR4 - compared to the TR8 - feels like driving ins slow motion. I have plenty of time, to get the car to the perfect spots on the track, and all the other cars are slow too. Really weird how a slow car feels, when you are used to drive a grenade. But this doesn't hurt the fun.
  11. I can't say much about the camshaft - 310 degree stuff, 48 DCOE Webers. I run 4.5 degree of camber, caster standard, bump steer suitable for the Nordschleife = toe out on bump. I run 1mm toe in. Standard leaf springs at rear, MGB GT 1700 springs on front. Standard lever shocks at rear, Koni red at front. Sway bars on both axles. Standard brakes at front and rear. Balance bar. Dogbox gearbox. Dago rake
  12. Thank you. The TR4 is really doing great. One of the best race cars Triumph every built I think. I don't build engines for other people. They are so much detailed work. Not so much the parts I use, more the fine treatment of everything to hold together for a while. The green TR4 with the white roof and me made a plan how to get past the grid. He was the snow plow for the first part of the race, which made it easy for me to follow his wake. When he struggled with the yellow Healey I took over his job and he followed me. The plan was to work together until we both are in front and then fighting each other again :-) Unfortunately he didn't manage to pass the blue MGB while I was approaching more and more to the leader (white MGA).
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