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Re: Spark plug thread inserts

To: <>, <>
Subject: Re: Spark plug thread inserts
From: "Richard Fox" <>
Date: Tue, 23 Sep 2003 14:02:07 -0700
Do you have a source for 18 MM racing plugs? I went to 10 MM plugs and may
go to 12 MM for the ease of getting all kinds of plugs from motorcycle
dealers.  Rich Fox
----- Original Message -----
From: <>
To: <>
Sent: Tuesday, September 23, 2003 11:58 AM
Subject: Spark plug thread inserts

> I am in the process of repairing a set of cast iron Ford heads that the
> plug threads are stripped.  The original thread is a tapered seat 14 M.M.
> thread.  I can get thread inserts from Time Fasteners to repair the thread
> stock, but that requires the head be tapped out to 18 M.M.  Would I be
better off
> just to tap the head for 18 M.M. and use an 18 M.M. gasket type plug.  The
> engine will be using an 871 blower.
> MPH Dave

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