cliveld Posted June 19, 2011 Report Share Posted June 19, 2011 is super petrol better then special for this car. i have hear that using super fuel the life of fuel system increases and so will the engines if so i would like a confirmation on this please Link to comment Share on other sites More sharing options...
milane Posted June 22, 2011 Report Share Posted June 22, 2011 Both are same except the difference of mere 3 octane. Super 98 octane Special 95 octane. Super burns more efficiently and give 1% extra HP, nothing on life of engine or fuel system. Its crap. Link to comment Share on other sites More sharing options...
jdrdxb Posted April 9, 2012 Report Share Posted April 9, 2012 Octane rating or octane number is a standard measure of the performance of a motor or aviation fuel. The higher the octane number, the more compression the fuel can withstand before detonating. In broad terms, fuels with a higher octane rating are used in high-compression engines that generally have higher performance. In contrast, fuels with low octane numbers (but high cetane numbers) are ideal for diesel engines. Use of gasolines with low octane numbers may lead to the problem of engine knocking. Best to check owner manual; however on Porsche i understand the engine management systems can alter the ignition in the cylinder subject to the fuel type. If the timing is wrong you get the knocking or pinking noise and loss of power under acceleration and potential misfiring. Link to comment Share on other sites More sharing options...
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