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Mazda Rotary Club

General => General Technical => Topic started by: Steve Burnett on June 04, 2004, 10:51:43 AM

Title: Plugs - Explain it, im stupid!!
Post by: Steve Burnett on June 04, 2004, 10:51:43 AM
I have just ordered 4 BUR7EQ / NGK 7 plugs from Andy (Cheers mate)

I do have a question though, I do not know much about the plugs the RX7 needs and the term leading and trailing. I know this must be a stupid question but can some one explain this. I know the plugs are correct for the car but should all 4 be used (leading and trailing).
Just to let you know the only mods my car has is an M2 induction kit and Blitz back box.

Thanks
Steve
Title: Plugs - Explain it, im stupid!!
Post by: fro on June 04, 2004, 11:22:02 AM
as far as I know, 7s should be used as leading side only. the trailing side should be 9s. It seems that a lot of people are using 9s in leading and trailing (including me now)
Title: Plugs - Explain it, im stupid!!
Post by: fro on June 04, 2004, 11:24:35 AM
just found this thread (http://www.mazdarotaryclub.com/forums/showthread.php?s=&threadid=264), it\'s very useful :)
Title: Plugs - Explain it, im stupid!!
Post by: 20B_boy on June 04, 2004, 11:46:12 AM
7\'s s/b leading (i.e. bottom plug holes) only. Stick 9s in the trailing holes.
Title: Plugs - Explain it, im stupid!!
Post by: Steve Burnett on June 04, 2004, 12:12:25 PM
Thank you, you are both gents!
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