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dumb question - or what's 20 thousanths of an inch?

To: spridgets@autox.team.net
Subject: dumb question - or what's 20 thousanths of an inch?
From: robert weeks <robert@woozy.com>
Date: Wed, 3 Feb 1999 13:52:20 -0500
Reply-to: robert weeks <robert@woozy.com>
Sender: owner-spridgets@autox.team.net
Hi,

Actually it's me that's dumb, not the question. I borrowed my friends dial
calipers and I have no idea if I am reading them right:

The Bently book lists 2.78 as the proper bore for a 1275 cylinder bore,
when I measured them I came up with 2.781 - 2.782. Is this within the
acceptable range for a "standard" bore? If it is, just for future knowledge
what would the reading be if it were bored out 20 thousanths over or 30
thousanths?

Please excuse my ignorance, I'm fine with 32nds, 64ths, etc, but my mind
has a hard time with thousanths.

Robert Weeks

1969 Midget     (daily driver)
1968-70 Spridget  (two cars welded together)
1974 Midget     (parts car?)

http://www.woozy.com/midget/



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