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Main : Mechanical : Engine A12 head side

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A12 head side
A12 head sidePopular
Submitterang94541More Photos from ang94541   Last Update2004/8/28 8:14    Tell a friendTell a friend
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Side view of my old 1973 A12 head.
Note the oil passage and lack of mounting bosses.

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The comments are owned by the poster. We aren't responsible for their content.

Poster Thread
ddgonzal
Posted: 2006/2/26 17:37  Updated: 2006/2/26 17:37
Moderator
Joined: 2001/5/3
From: 48 North
Posts: 31640
 Re: A12 head side
Yes, the first mounting boss was added in 1974, so that the fuel line clamped to the head instead of the rocker cover. That was to enable the cover to be removed without having to unbolt the fuel line.

Here's the A12A head for comparison. It's missing the boss for the oil passage:

Also I notice another bolt boss at the lower front, just like Angelo's new cylinder head.