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Ed,
It may be my memory is foggy (from working too many hours in a week) but, IRRC, "reach" refers to the _thread_ length, not the total penetration including the electrode. It would be good to lay the new plugs along side the standard ones, with a straight edge on the gasket service, and compare them.
Dale R.
COZY MkIV-R13B #1254
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---- Ed Anderson <eanderson@carolina.rr.com> wrote:
I went back and check the e mail and sure enough I misread the type plug as B9EQV vice B9EGV. Interesting in I had actually showed the e mail to the auto parts guy with the correct type circled - but verbally spoke the B9EQV, neither one of us caught the "minor" difference - sigh! Both plugs have the 19mm (3/5") reach - but don't know if the ground electrode is different or not. The B9EQV looks just like a conventional plug with perhaps a bit finer center electrode and with a ground strap off the side. Any difference there could have made a difference - assuming the plugs are the problem.
Well, in a few minutes I am off to see what I can find out and to start taken the engine off.
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