Now I didn't know that. But I bow to greater knowledge and apologise for my
earlier comments.
However, it remains that these cars DO use UNC and UNF sizes, and DID NOT
use different threads for the N. American market,. So I got that bit
right.
Guy
-----Original Message-----
From: Weslake1330@aol.com [mailto:Weslake1330@aol.com]
Sent: 13 June 2008 21:06
To: guy.weller@tiscali.co.uk; dbl@chicagolandmgclub.com;
spridgets@autox.team.net
Subject: Re: [Spridgets] oil pan bolt size
Unfortunately UNF and UNC are in fact American threads, invented by the
Americans. We switched to UNF and UNC during WWII as part of war
standardisation or whatever and began to abandon the Whitworth system from
that point onwards. Later we abandoned UNF and UNC for the Metric system.
W E S L A K E 1330
n a message dated 13/06/2008 15:04:48 GMT Daylight Time,
guy.weller@tiscali.co.uk writes:
ASME definition is irrelevant as it is a UNC thread. It is British car, why
would it have American machine screws (or American bolts) ?
Guy
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