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Do irridium spark plugs give you more bhp

Ian Keys

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Hi everyone ive been reading articles about irridium spark plugs for a while now and im considering getting some Denso tt iridium ones for my mk 5 escort Rs2000. Ive always put Bosch platinum plugs in it which have been good but i keep seeing that irridium plugs give a stronger spark which i think is always good in an older car. Ive never read anything negative about irridium but wondered if anyone else has tried them and if they saw an improvement in theyre cars performance? Thanks.

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