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rb14

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Everything posted by rb14

  1. I think both are right. If I had my time again, I'd definitely use at least two slowing down laps. It might be simply impractical to wait for the fans to shut off. It's very very confined under there and I'd imagine it would take a long time for things to cool down properly.
  2. Took my 07 manual 987S around (UK) Castle Combe circuit for fifteen minutes. It would be fair to say I hammered the car: the rev-limiter and ABS earned their wages. It was fantastic. The car performed way above my expectations. The only two slight disappointments were that I felt the suspension was a little on the sift side and I couldn't get much grip out of the OEM tyres. Slicks next time. Well, I say next time. I'm not too sure though. After the session, had half an hour at the trackside cafe. Getting back into the car, turned the ignition on and the fans were still on! Ah well. Presumably it was still a little hot under there. Turned the key, the engine fired right away but horror of horrors, the most almighty plume of smoke out of the rear of the car. Enough that everyone in the pits turned to see what it was. Drove away sheepishly and the smoke cleared quite quickly. No sign of trouble on the gauges, the engine sound or any other malfunction. Ten minutes down the road, stopped again for about two hours. Wandering around a beautiful village in the Cotswolds. Back to the car, ignition on and... ... ... oh bugger. Fans still on. STILL ON!!! Hmmm, clearly a problem. Perhaps a connector melted and shorted the wires? Don't know. Start the engine and... ... ... oh bugger. Another enormous plume of smoke. Ooooops. We've cracked a cylinder or burst a seal. Again though, no sign of any malfunction. Drove away even more sheepishly, the smoke cleared. Stopped once on the way home for another coffee and to fill up with petrol. Half an hour later, ignition on and... ... ... silence. No fans. Start the engine and... ... ... the engine started. No smoke, nothing. Drove home. Not one single problem or suggestion that there might be further damage since. Nearly a month now. Good cars these Boxsters.
  3. FYI I use nitrogen on my Radical's tyres at the track. With nitrogen, the tyre pressures do not fluctuate as much as when the they are filled with air. But the MAIN reason I use nitrogen is that the race car is fitted with airjacks. This makes for fast tyre changes during pit stops: plug in the nitro lance and the car is raised in a split second. I need about 250 bar of pressure to raise the car and the nitro bottles are filled to around 320 bar. If the nitro bottle is in the pits, it makes life much easier to fill the tyres with the same gas, otherwise I need to carry more bottles and/or a compressor.
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