Iridium Spark Plugs which heat grade?
30 November 2014, 11:34 PM
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Iridium Spark Plugs which heat grade?
Hi all,
I have a bug wrx wagon running anyware between 265-280 BHP and was wondering what peoples opinion would be with choosing Iridium plugs for the car. Should I go for heat grade 6 which has been stated for stock/lightly tuned cars or grade 7 for mildly tuned cars?
I am not sure what I would fall under. Also anyone running Irids in a wrx your input would be awesome.
http://www.scoobyworld.co.uk/catalog...oducts_id=1254
Thanks
I have a bug wrx wagon running anyware between 265-280 BHP and was wondering what peoples opinion would be with choosing Iridium plugs for the car. Should I go for heat grade 6 which has been stated for stock/lightly tuned cars or grade 7 for mildly tuned cars?
I am not sure what I would fall under. Also anyone running Irids in a wrx your input would be awesome.
http://www.scoobyworld.co.uk/catalog...oducts_id=1254
Thanks
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