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Jc

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Posts posted by Jc

  1. French "CV" for tax purposes bear no relation to the output of the engine;as you say a car rated at 6CV for fiscal purposes may well be producing 50-60 BHP just as in the UK,the RAC rating was used at one time for road tax purposes(a long time ago) and being based only on the bore of the engine and not the stroke also had nothing to do with power output.It also produced some peculiar engines with tiny bores and very long strokes.The French calculation takes into account the gear ratios and final drive ratio.Modern EU power figures are now officially quoted in Kw.;someone quoted conversions above to change these into BHP and Cv(actual) which are not used for car taxation in Farnce.
  2. The "PUISSANCE" of a vehicle originally sold in France may not be the same as that of what appears to be an equivalent vehicle sold in other UK countries.To get a particularly good "CV" rate for taxation purposes(original tax not road tax) there were many changes made to the spec. of vehicles sold in France,such as different g/boxes,final drives because of the method of calculation.
  3. Yes;the threads should also be different but there have been problems with some of the less responsible(and cheap) suppliers filling cylinders with the wrong gas.In the past;the regulators were set at different pressures but the latest ones are between the two settings and can be used for either(so it says in my instruction leaflet.)
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