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SPARK PLUG DESIGN Every year the range of NGK spark plugs grows to accommodate the ever increasing demands of modern engines. Spark plug design must take into consideration many features of an engine including physical dimensions, combustion chamber shape, cooling abilities, fuel and ignition systems. Spark plugs play a vital role in producing the
The specific plug for any engine is determined by the plug's heat range. That is the minimum and maximum temperatures between which the plug will offer optimum performance. The heat range of NGK Spark Plugs is wider than ordinary plugs therefore they are suitable for both high speed and low speed driving. Compared with conventional plugs of the
The 2019 NGK digital automotive spark plug catalog provides detailed information on various spark plugs and their applications for different vehicles.
Some owners successfully use the modern NGK Iridium 'IX' range of spark plugs in conjunction with magneto ignition systems. One advantage of the 'IX' range is the use of a very fine-wire centre electrode
The patented DENSO TT Spark Plugs are manufactured using Super Ignition Plug (SIP) technology. They deliver superb reliability, lower emissions and excellent fuel economy, and offer a highly consolidated range with a limited number of part numbers.
The specific plug for any engine is determined by the plug's heat range. That is the minimum and maximum temperatures between which the plug will offer optimum performance. The heat range of NGK Spark Plugs is wider than ordinary plugs therefore they are suitable for both high speed and low speed driving. Compared with conventional plugs of the
Equipment for racing cars is highly individualized and requires much experience in the choice of the best spark plug heat range. Engine compression, boost pressure, air-fuel ratio, timing and other variables play major roles in the selection of an appropriate spark plug heat range.
