460 Spark Plugs

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Sep 9, 2015 | 12:58 PM

#16

ArdWrknTrk

pedant

Joined: Jan 2008

Posts: 23,576

Likes: 40

From: EXTREME southwest CT

You're talking a TINY range of four THOUSANDTHS of an inch.
This is less than the thickness of a piece of paper.
Anywhere between 042 and 046 is optimal for a stock DuraSpark ignition.

Sep 9, 2015 | 02:48 PM

#17

unofornaio

Junior User

Joined: Jul 2007

Posts: 65

Likes: 0

From: CA

Understood

Thanks. Im working on the valves at the moment and now will be already to drop these in when the time comes.

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