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Re: MGB engine identification

To: "Larry Hoy" <>, "MG List" <>
Subject: Re: MGB engine identification
From: Max Heim <>
Date: Sat, 4 Dec 1999 15:28:11 -0800
The Clausager book has the info you need. The one big clue I'm aware of 
is the tach drive. 18G and GA engines (the 3-main ones) had a mechanical 
drive for the tach, off the rear of the cam. Later ones have a electronic 

Larry Hoy had this to say:

>What is the best way to identify the "vintage" of an MGB
>engine that has no ID plate.  This is an earlier engine; the
>block is machined for a generator, not alternator and it is
>a "pre-smog" setup.  I really would like to know if it is a
>five main or three main engine.  It presently is in a 1964
>car and is running.  I know that the 1964's came with a
>three main but this may not be the original engine.
>Any help would be appreciated.
>Larry Hoy


Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.

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