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Posted: Sun Nov 18, 2007 10:05 pm
by Garry
If you are using NGK then BKR7E11, one range cooler than the coldest recomended in the owners manual. They work great in my SP.

Posted: Sun Nov 18, 2007 10:36 pm
by Uncle Arthur
What he said.

Pretty cheap from Repco/Stupercheap

Posted: Mon Nov 26, 2007 12:55 am
by Sean
Yeah 7s, 8s even 9s if you intend to push it really hard.