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Gilly
 Post subject: Help with Engine n.o
PostPosted: Sat Aug 27, 2005 1:17 pm 
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Hi guys I need to know the origin of this engine
Stamped 8AMUH51****
Is a 1275? that im gonna be fitting to my beast just need to know which model/year the motor is from.
Cheers


Last edited by Gilly on Sat Aug 27, 2005 2:25 pm, edited 1 time in total.

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gafmo
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PostPosted: Sat Aug 27, 2005 1:58 pm 
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sorry..Gilluy but its a 850...
Check out
http://www.hotbricks.org.au/
Tech Tips then Engine number :?

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Gilly
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PostPosted: Sat Aug 27, 2005 2:30 pm 
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Thats weird its got a 940 head and the 2 Side covers on the block like the later 1275's,r do 85o's have the side covers as well?
Maybe the block has been restamped?

What diameter pistons would a 40thou 1275 have? compared to a 850?
I will measure this during the week.
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gafmo
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PostPosted: Sat Aug 27, 2005 3:16 pm 
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No idea on the measurment of the pistons sorry...somone else can fill you in on that one...but I would say if you have a 940 head on it it would require the deck to be pocketed, So maybe it has been restamped.
:?

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gafmo
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PostPosted: Sat Aug 27, 2005 3:19 pm 
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Doopy me just reliased I have my 1275 +40 here...very crudley measure..72mm

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Gilly
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PostPosted: Sat Aug 27, 2005 6:34 pm 
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Thanks Gaf will check later, got me worried now as I have put a deposit on this engine. :? :(
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Morris 1100
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PostPosted: Sat Aug 27, 2005 6:45 pm 
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Gilly wrote:
Thats weird its got a 940 head and the 2 Side covers on the block like the later 1275's,r do 85o's have the side covers as well?

Ummm, The non Cooper 1275 blocks do not have side covers.
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drmini in aust
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PostPosted: Sat Aug 27, 2005 6:56 pm 
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Wouldn't surprise me if it's an S restamped as an 850. I've seen it all before... :)

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Gilly
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PostPosted: Sat Aug 27, 2005 7:06 pm 
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What other things should I be looking for externaly that would differentiate a 1275 block from a small bore block?

So do all S blocks have the side covers? :?
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drmini in aust
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PostPosted: Sat Aug 27, 2005 7:10 pm 
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Gilly wrote:
What other things should I be looking for externaly that would differentiate a 1275 block from a small bore block?

So do all S blocks have the side covers? :?

OK.. yes they all have 2 side covers.

2 extra head studs (actually 1 stud & 1 bolt) in ends of head.
A 1275 badge at the back side of block (below water pump hose) (if still there)
No mounting studs or hole, for a mechanical fuel pump (S used electric)
1275S block is about 10mm higher than a smallbore block.

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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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Gilly
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PostPosted: Mon Aug 29, 2005 2:24 pm 
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Yep its been re-stamped as an 850 bore is roughly around 73mm so phew!!
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J_A_M
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PostPosted: Mon Aug 29, 2005 2:33 pm 
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NICE....that would make one damn quick 850! :lol:
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gafmo
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PostPosted: Mon Aug 29, 2005 2:35 pm 
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but its only a 850 Officer :oops:

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Gilly
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PostPosted: Mon Aug 29, 2005 8:29 pm 
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With a little cam officer :wink:

On the subject of officers I got fined $225 for blowing my horn at some-one distracted by a highway patrols erratic driving and cutting into my lane!
They are saying I blew the horn at them (police).
So they are" teaching me a lesson" (unecessary use of horn) $225 thanks.
Funny thing is the police were driving in a "manner dangerous to public" as they would put it whislt not in pursuit, just harrasing a P plater as I witnessed driving behind them for about 6km or so
(wonder if they will be suspended for 6 months and fined over $600). :x
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drmini in aust
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PostPosted: Mon Aug 29, 2005 9:11 pm 
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Gilly wrote:
With a little cam officer :wink:

On the subject of officers I got fined $225 for blowing my horn at some-one distracted by a highway patrols erratic driving and cutting into my lane!
They are saying I blew the horn at them (police).
So they are" teaching me a lesson" (unecessary use of horn) $225 thanks.
Funny thing is the police were driving in a "manner dangerous to public" as they would put it whislt not in pursuit, just harrasing a P plater as I witnessed driving behind them for about 6km or so
(wonder if they will be suspended for 6 months and fined over $600). :x

You could take them to court, but it's hardly worth it I guess.
PITA... :x
We all need video cameras in our cars... :P

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