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Spark
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Tech Info |
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| Disclaimer:Any information provided on this website is for general guidance only. It does not constitute any contractual term, representation or warranty. As such, spark-plugs.co.uk takes no responsibility in respect of any claim whatsoever and howsoever caused arising from use of any information on this website. Prices may be subject to change without warning. The presence of a spark plug in our price lists does not necessarily guarantee availability. |
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Technical
Information
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| Plug Types |
'S' Type (e.g BP6ES) |
| These are standard plugs with copper cored centre electrodes. A copper core offers superior heat conductvity hence heat is removed from the firing end of the plug and 'hot spots' are prevented - these can lead to pe-ignition. A copper core also allows a longer insulator nose to be used - this protects against fouling. |
'G' Type (e.g. B10EG) |
| These feature a smaller diameter centre electrode tip made of nickel alloy. The smaller diameter means a lower voltage is required to produce a spark. As the tip is made of conventional Nickel Alloy the service life is reduced. Best suited to applications where plugs are changed regularly. |
'V' Type (e.g. B10EV) |
| The centre electrode is made of gold palladium alloy and is only 1.0mm in diameter. This means an even lower voltage requirement than 'G' types. |
'GV' Types (e.g. B9EGV) |
| These plugs have a centre electrode made of precious metal similar to 'V' types. The insulator nose is of improved design, allowing better gas flow around the firing end. The ground electrode is shorter and stronger making the 'GV' range ideal for most severe racing applications. |
'VX' Type (e.g. B8EVX) |
| These have an even smaller centre electrode than 'V'/'GV' types at 0.8mm. The centre electrode is made of platinum. The ground electrode is taper cut. These features mean an even lower voltage is needed than that for 'V' types. The result is better ignitability, improved starting, idle stability and anti-fouling performance |
'IX' Type (e.g. BR8EIX) |
| Similar in design to the 'VX' type but using the precious metal iridium for the centre electrode. The properties of iridium allow the centre electrode to be even smaller than 'VX' types at 0.6mm - without compromising durability. Electrical energy is highly concentrated due to the extremely small tip diameter with the result of best performance in terms of starting, idling and throttle response. |
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