At the ballarat swap, there was a head that I was umming and aring about. It was $60, and looked pretty good, but I didn't examine it too much. I think it was 12G1316, but can't quite remember. All I know is that it was big at the thermostat housing side (like a 1275) and it had 4 numbers after the 12G. They had $60 on it.

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No--------- inlet------------- exhaust------cc's
12A1456--1.0625"/26.99--1.00"/25.4-- 24.5-- 850, 998 Mini & 948 Sprite

Is the closest I could find from:
http://www.minimania.com/web/DisplayID/1526/SCatagory/CYLINDER%20HEAD/DisplayType/Calver%27s%20Corner/CarType//ArticleV.cfm

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Roads need more corners
A Deluxe(CG13DE), 2 Clubbies(998 and 1275) and 2 Morris 1100Ss

12A1456 sorta sounds like it... hmm...

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No dudes, a 12G1316 is a 1275 smog head off a 1275LS or 1275 Moke. Same as an 1100S head (12G940) with 4 air injection ports added.
33mm inlets, 29mm exhausts.
Mods just the same as a 940, I've got one with S inlets and bloody big ports..

$60 you say? Bargain- I paid $220 for a bare one years ago!

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Didn't think it had the air pump holes. So might have been different numba. It did look like a 1275 head to me. If it were a 12G940, I woulda bort it, cause I know 12G940!

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If a 1316, it has the holes. Maybe blocked with screws and ground off.

Of course it could be an early S head, but they were not 12G1316.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

I woulda noticed if I looked at it properly

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