quick sparkplug question

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May 12, 2009 | 01:01 PM

RisingYeast

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From: Ellensburg, Wa

quick sparkplug question

I have two NGK bur9eq's and two bur7eqs.

Which ones go on top and which ones go on bottom. The pregnant girl at the store was of little help.

May 12, 2009 | 03:48 PM

Aaron Cake

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The ones marked "L" (7s) go on the bottom. The ones marked "T" (9s) go on top.

Easy way to remember: leading = lower, tailing = top.

May 12, 2009 | 04:27 PM

RisingYeast

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From: Ellensburg, Wa

Hah, Duh! my bad.

Thanks man, appreciate it.

May 12, 2009 | 05:19 PM

RotaryRocket88

Top Down, Boost Up

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From: San Diego, CA

There are also "L" and "T" markings on the housings.

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