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justfanginaround
 Post subject: cyclinder heads
PostPosted: Mon Nov 03, 2008 7:35 pm 
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Location: Airport West
I was looking for some other stuff and I came across a 12g948 cyc head. Could anyone tell me what it is off please

Looks like a 1275 9 stud head

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120bhp with 450kg just fun waiting to happen

We were prob. drunk when we set it up last and thought this will be a good idea
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drmini in aust
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PostPosted: Mon Nov 03, 2008 7:51 pm 
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It will be 12G940, not 12G948. Most 1275 heads (except the 12G1316 smog head) right up to the late models had this number, God knows why..
This number is cast on top under where the rockers go.

Some of the early heads were also stamped near the thermostat housing in small letters, 12G938 (Morris 1100S head) or 12G1805 (Mk2S head).
The S ones of course had 35.6mm inlet valves and 2 extra stud holes.
Otherwise the same casting.

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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. :mrgreen:
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justfanginaround
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PostPosted: Mon Nov 03, 2008 7:53 pm 
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i've checked the number and it is 12g948

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120bhp with 450kg just fun waiting to happen

We were prob. drunk when we set it up last and thought this will be a good idea
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drmini in aust
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PostPosted: Mon Nov 03, 2008 7:55 pm 
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I bet it's a casting flaw, 948 head was never made. :wink:
<edit> even the MG Metro turbo head had a 12G940 cast on top.

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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. :mrgreen:


Last edited by drmini in aust on Mon Nov 03, 2008 8:03 pm, edited 1 time in total.

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justfanginaround
 Post subject:
PostPosted: Mon Nov 03, 2008 7:56 pm 
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cool thank you.

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120bhp with 450kg just fun waiting to happen

We were prob. drunk when we set it up last and thought this will be a good idea
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smithy
 Post subject:
PostPosted: Mon Nov 03, 2008 9:16 pm 
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This guy thinks he had a 12G948 head

http://www.miniguy.com/Gone?id=2e4927cc ... 6fb1fb93ff

smithy
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