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Old 17 March 2003, 01:37 PM
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LeMans
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Question

Motor factors recently supplied me with Denso spark plugs @ £4 a plug advising that these were suitable for a 1994 WRX.

Since fitting them the car once warm misfires badly on boost - should they have sold me Denso Iridium (which I gather are virtually the same as HKS Iridium)?.
Old 17 March 2003, 05:26 PM
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jameswrx
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gapped to 0.7??
Old 17 March 2003, 08:10 PM
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MAFFA
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Get some NGK PFR6's. I run them gapped to 0.7mm & they're awesome If you shop around you can find them for £30-£34 a set

I think Scoobyshop does PFR7's for £34 if you're a member. Don't know what the differece is though? Think it's something to do with temperature but don't quote me

MAFFA
Old 18 March 2003, 08:28 AM
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redwrx
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i had exact same problem mate ..

iwent for pfr6 's gapped at 0.7mm .solved problem immediately

cost me around £35 for set of 4

car is MY93wrx
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