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mini-dunger
 Post subject: 1275 engine numbers
PostPosted: Fri May 25, 2007 11:28 pm 
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1275cc
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Hi guys,
I am going to look at a moke tommorow to see if its a bigblock. What kinda numbers should I be looking for on the engine? I have done a few searches but didnt find much.

Thanks

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sports850
 Post subject:
PostPosted: Sat May 26, 2007 6:10 am 
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As a quick guide it should have an engine number with a 12 prefix if it's a moke 1275 , would also not have the inspection plates (cam follower covers)on the back of the motor but should look like this -

Image

There is alsso a possibility it could be fitted with a cooper s motor , someone else can give you the engine prefixes for them , I haven't had enough coffee yet to think that hard :D

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drmini in aust
 Post subject:
PostPosted: Sat May 26, 2007 6:40 am 
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Cooper S 1275 prefixes are 9F/Sa/Y and 9F/XE/Y.
ALL other 1275 ones start with 12.
:wink:

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mini-dunger
 Post subject: thanks guys
PostPosted: Sat May 26, 2007 9:23 am 
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thanks a lot guys

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blokeinamoke wrote:
Yep Mokes are ugly - but Moke owners know that. Its like ugly women - she may be a dog but you know your going to get some :wink:
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slinkey inc
 Post subject:
PostPosted: Sat May 26, 2007 1:04 pm 
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This is a slight tangent...

I have a 9F/SA/Y motor, and it's got cam follow covers (as it should) and no hole to put mechanical fuel pump in, but there is one stud sticking, on a motor with a mech pump it would have the hole and two studs, but mine has no hole and only one stud. Why? I've seen other 'S' motors on here like that too.

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AJ
 Post subject:
PostPosted: Sat May 26, 2007 1:24 pm 
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slinkey inc wrote:
This is a slight tangent...

I have a 9F/SA/Y motor, and it's got cam follow covers (as it should) and no hole to put mechanical fuel pump in, but there is one stud sticking, on a motor with a mech pump it would have the hole and two studs, but mine has no hole and only one stud. Why? I've seen other 'S' motors on here like that too.


All S have electric pump

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Mick
 Post subject:
PostPosted: Sat May 26, 2007 2:00 pm 
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AJ wrote:
slinkey inc wrote:
This is a slight tangent...

I have a 9F/SA/Y motor, and it's got cam follow covers (as it should) and no hole to put mechanical fuel pump in, but there is one stud sticking, on a motor with a mech pump it would have the hole and two studs, but mine has no hole and only one stud. Why? I've seen other 'S' motors on here like that too.


All S have electric pump


and hence no S blocks have a hole.

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slinkey inc
 Post subject:
PostPosted: Sat May 26, 2007 2:05 pm 
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Yes, hmm that's not what I wanted to ask, sorry, should have worded it better.

I meant whats the stud for?

It seems pointless.

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1975 Leyland Mini S 1100S powered - Nice and reliable.
1977 Leyland Mini LS - Project LS-T 8)
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drmini in aust
 Post subject:
PostPosted: Sat May 26, 2007 2:33 pm 
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I suspect that is a location dowel, put in as jigging for the machining operations.
Cooper 997 block had the same I think.
As said above, all Coopers, Ss (and Clubby GT) had an electric fuel pump.

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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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Mick
 Post subject:
PostPosted: Sat May 26, 2007 2:50 pm 
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I have seen other blocks without a hole (but with the stud) use it for a breather pipe from the tappet cover that pointed down toward the road.

Doesn't explain why they left it after they ceased using it for a breather pipe, except for maybe doc's reason above.

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