Miata Mailing List: September 1999, Message #94

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From: "Jay Schale" <schale@nts-online.net>
Subject:NGK Extended Reach Plugs
Date: Wed, 1 Sep 1999 14:30:56 -0400

Can someone tell me about the extended reach plugs?  If they are better, I
wonder why Mazda doesn't use them as stock plugs?  Is there a down side to
them?  ZFR6F-11 was given the other day as the number for the plugs.  Is
this the one to use with a normally aspirated Miata?  What about heat
range/choices?  I appreciate your help.
TIA,
Jay and Bullet
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