[SEL] Machinists Question?

[peter ogborne]

Thanks Peter..........I was using the Plasticine method to measure the TPI, 
all i had was the remains of an old head , 18 TPI sounds good.
----- Original Message ----- 
From: "Listerdiesel" <listerdiesel at gmail.com>
To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
Sent: Friday, July 08, 2005 6:25 PM
Subject: Re: [SEL] Machinists Question?


> On 7/8/05, Listerdiesel <listerdiesel at gmail.com> wrote:
>> On 7/8/05, peter ogborne <jopeter at omninet.net.au> wrote:
>> > Does anyone know the thread size for the spark plugs on a Ford A . I am
>> > making some adapters so that we can use 14 mm plugs.
>> > To me it looks like .865 x .1.5mm pitch . If anyone can confirm this i 
>> > would
>> > be most grateful.As you may gather i don't have any reference.
>> > In anticipation ,thanks
>> > Peter Ogborne
>
> That one got out before I had time to write anything.
>
> The old edition of the SAE handbook we have quotes 7/8" (0.875")  with 18 
> TPI.
>
> Peter
> -- 
> Peter A Forbes
> Email: listerdiesel at gmail.com
> Web: www.oldengine.org/members/diesel
>
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