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mattywood
PostPosted: Mon Jul 03, 2006 8:52 pm 
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Joined: Wed Jul 13, 2005 5:26 pm
Posts: 718
Location: Sydney
Hi All,

If a Cooper S engine has been restamped how can still id the engine to be sure it is a genuine MK1 or MK2 Cooper S motor? :?

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67 Deluxe under going full resto
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Morris 1100
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PostPosted: Mon Jul 03, 2006 8:57 pm 
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Joined: Wed Jul 21, 2004 10:32 pm
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The Cooper S motor is the only 1275 with side covers over the tappet chest. 8)

If it has side covers and it is a 1275 it must be a Cooper S.
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mattywood
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PostPosted: Mon Jul 03, 2006 9:12 pm 
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Joined: Wed Jul 13, 2005 5:26 pm
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Location: Sydney
thanks for that. :)

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drmini in aust
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PostPosted: Mon Jul 03, 2006 9:32 pm 
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Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39763
Location: near Baulkham Hills, NSW
Mk1s had a thin bottom flange, Mk2s had a thick one. usually... :lol:

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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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Morris 1100
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PostPosted: Mon Jul 03, 2006 9:37 pm 
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I have found that with most Cooper S with the engine number ground off that if you look very carefully you can usually make out 12YD/Ta/H***** 8)
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drmini in aust
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PostPosted: Mon Jul 03, 2006 9:38 pm 
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Location: near Baulkham Hills, NSW
.... except those boasting 8AM/U/H... seen a few now!

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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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mattywood
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PostPosted: Mon Jul 03, 2006 9:41 pm 
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998cc
998cc

Joined: Wed Jul 13, 2005 5:26 pm
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Location: Sydney
The owner can only decify "cfmsh". Never heard of that combo. No tappets covers so not a cooper anyway.

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miniron
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PostPosted: Tue Jul 04, 2006 9:31 am 
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Joined: Wed Sep 22, 2004 5:46 pm
Posts: 728
Location: Melbourne
:wink:

MK 1 block casting number is AEG312. Located on rear of block just above flange and below oil gallery to oil pump.

RonR
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