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Stick on cycle puncture patches are perfect. Available at cycle shops. Choice of colours but black works.

The Hornet wrote: ↑Wed Sep 09, 2020 9:26 pm We cancelled our trip this year too - just not worth the risk... move to late July for us too

I cancelled my LoT to Zolder and Zandvoort for the same reason. I swapped it for sloshing rain in Anglesey which was...Great fun.

If it’s any use, when I used to produce controllers for production cars we used to start (from key on), with a conservative knock setting and then trim towards knock and back off when it arose. After that there was a very slow dithering into and away from knock to get the best performance with envir...

Pleased you have a potential cure. If the knock sensor was isolation mounted they Ecu would drive the ignition harder and harder into knock, even it it is knocking. What octane fuel did you use? Higher octane gives less knock.

That’s because I drive slowly!

Actually, I have nice bit of video following a slow car at Anglesey, I was so bored I forgot to brake. Caught it.

Really, brake fade on the road! That’s not great. I’d be ok, I never use the brakes.

Boxster or Cayman not reliable??? Not sure about that. Older ones, which I can afford to have trashed on track, have a reputation for the IMS bearing and cylinder liners failing. It’s a 10k engine fix, probably 2/3 the car value. There are a few with the Hartek rebuild which a supposed to be good. ...

cSt is the units for the viscosity, centi Stokes. It shows the oil is much less viscose as it gets hot. They are not limits, just points on the curve. I think good synthetic oils can go to 150C before they start to break down. At about -40C they are like treacle so starting an engine is tricky. True...

Fix the head gasket!

At high rpm you want the air fuel mixture to be right, running lean is hotter and not good. Other than air, crankcase gases are predominantly unburnt hydrocarbons and combustion products from blowby, plus the more volatile oil fractions, so the Lambda sensor should adjust within acceptable limits t...