Got a 11 stud head would like to no what it is off, the only numbers i can find are 12g 940
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| Author: | crabby [ Wed Mar 02, 2011 5:56 pm ] |
| Post subject: | head |
Got a 11 stud head would like to no what it is off, the only numbers i can find are 12g 940
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| Author: | GT mowog [ Wed Mar 02, 2011 6:00 pm ] |
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Could be a Cooper S head. Look around were the thermostat goes there should be some numbers stamped in to it. |
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| Author: | drmini in aust [ Wed Mar 02, 2011 6:24 pm ] |
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GT mowog wrote: Could be a Cooper S head. Look around were the thermostat goes there should be some numbers stamped in to it.
Cooper S had 12G1805 stamped there (sometimes). Morris 1100S had 12G938 stamped there (sometimes). They are both the same basic casting- the S got bigger inlet valves, double springs and 2 extra head stud holes, is all. |
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| Author: | crabby [ Wed Mar 02, 2011 6:28 pm ] |
| Post subject: | head |
The only place i can find numbers are in between rockers and further along found a w 
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| Author: | GT mowog [ Wed Mar 02, 2011 6:29 pm ] |
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Cooper S and Non-Cooper S castings of the 12G940, I have seen no less than 6 different castings with quite a lot of difference between then, particularly in the exhaust port valve guide boss area. |
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| Author: | drmini in aust [ Wed Mar 02, 2011 6:31 pm ] |
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Measure the inlet valves- 33mm is Morris 1100S (or maybe a MG Midget, same head). 35.6mm is Cooper S. |
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