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 Post subject: cost of motor
PostPosted: Tue Jan 12, 2010 1:07 pm 
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848cc
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Location: tasmania
Hi, any help please what would a 1275 motor out of a 1100s be worth with a coopers 11 stud head. Motor not going as he said the thrust washers are worn allowing crank to much movment and could not get clutch to work properley kept slipping :?: :?:


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PostPosted: Tue Jan 12, 2010 1:23 pm 
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1275cc
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:idea: rebuild it . . . Where in Tassie are you as I may know someone there who can help out shortly if you are interested :wink: :D

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 Post subject: motor
PostPosted: Tue Jan 12, 2010 1:25 pm 
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848cc
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Location: tasmania
live in tullah on the west coast


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PostPosted: Tue Jan 12, 2010 1:27 pm 
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1275cc
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Location: Out in the shed cleaning up my own mess.
Only option. As for it's worth, probably two knobs of goatsh!t because, by the sound of it, good chance the crank is rooted and other related damage.

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PostPosted: Tue Jan 12, 2010 1:32 pm 
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1275cc
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Well I will soon (end of the month) be in Devo if thats any help to you :D

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PostPosted: Tue Jan 12, 2010 2:28 pm 
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1098cc
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AEG163job wrote:
Only option. As for it's worth, probably two knobs of goatsh!t because, by the sound of it, good chance the crank is rooted and other related damage.


Thats a looooooooooooooooooot of endfloat :?

You can still get cranks easy enough though if you need one..... $$$$


Crabby, what's included?


Last edited by Phat Kat on Tue Jan 12, 2010 2:30 pm, edited 1 time in total.

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 Post subject: motot
PostPosted: Tue Jan 12, 2010 2:30 pm 
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848cc
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Location: tasmania
it also come with rod change box and 11stud cooper s head


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PostPosted: Tue Jan 12, 2010 2:32 pm 
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AEG163job wrote:
Only option. As for it's worth, probably two knobs of goatsh!t because, by the sound of it, good chance the crank is rooted and other related damage.


Yes, and a good chance the centre main in the block too, which may mean the block is also US. But the fault description does not make sence.


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PostPosted: Tue Jan 12, 2010 2:40 pm 
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1098cc
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Oh ok, well thats something...

I gotta say,,, I reckon there is more to it than that,,, '

your thrust washers cop the most wear when you're sitting around with your foot on the clutch (because it loads up the crank sideways),,, I don't know if its actually possible to wear your thrusts that much :? I think you could just about remove the thrust washers and the clutch would still engage (you might need to adjust it a bit :lol: :lol: :lol: )

I reckon there is more to this....

Can I ask what the guys asking for?


Last edited by Phat Kat on Tue Jan 12, 2010 2:47 pm, edited 1 time in total.

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PostPosted: Tue Jan 12, 2010 2:40 pm 
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Endfloat alone is not reason to ditch a 1275 crank.
The thrust faces can be reground, +.030" thrust washers are available, and you can even make a thicker one from solid bronze if you have to (but do put it on the crank pulley side, not the flywheel where the clutch force is).
I have a 1310 motor here with one of these in it.

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PostPosted: Tue Jan 12, 2010 2:42 pm 
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1098cc
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If the thrust surfaces & thrust bearings are that worn then its most likly that the crank & block are throw away, but I doubt that the clutch problem is related to the crank thrusts. The thrust surfaces can be machined/cleaned up and oversize thrusts are available, up to 030. Make sure the head is a genuine S head, rather than a std 1275 head with the extra holes drilled, Mk 1 S heads are numbered AEG163 and have the westlake "W" cast into the top surface behind the thermostat hole, Mk 2 S heads have a part number stamped behind the thermostat hole (12G938). If the crank, block, rods and head are all good/reconditionable condition than its worth up to $1000 in my opinion.

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 Post subject: motor
PostPosted: Tue Jan 12, 2010 2:44 pm 
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848cc
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Location: tasmania
He stated clutch started slipping some time after he ajusted sound like he put thrust washer on wrong have to check it out


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PostPosted: Tue Jan 12, 2010 2:53 pm 
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850man wrote:
If the thrust surfaces & thrust bearings are that worn then its most likly that the crank & block are throw away, but I doubt that the clutch problem is related to the crank thrusts. The thrust surfaces can be machined/cleaned up and oversize thrusts are available, up to 030. Make sure the head is a genuine S head, rather than a std 1275 head with the extra holes drilled, Mk 1 S heads are numbered AEG163 and have the westlake "W" cast into the top surface behind the thermostat hole, Mk 2 S heads have a part number stamped behind the thermostat hole (12G938). If the crank, block, rods and head are all good/reconditionable condition than its worth up to $1000 in my opinion.

oi,
12G938 was a 9 stud Morris 1100S head. Mk2 S ones (most) were stamped 12G1805 there.
The only real difference inside the casting was the S had 1/16" bigger inlets and a bit of a clean up.

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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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PostPosted: Tue Jan 12, 2010 3:17 pm 
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1098cc
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Location: Lemmings, everywhere.
drmini in aust wrote:
850man wrote:
If the thrust surfaces & thrust bearings are that worn then its most likly that the crank & block are throw away, but I doubt that the clutch problem is related to the crank thrusts. The thrust surfaces can be machined/cleaned up and oversize thrusts are available, up to 030. Make sure the head is a genuine S head, rather than a std 1275 head with the extra holes drilled, Mk 1 S heads are numbered AEG163 and have the westlake "W" cast into the top surface behind the thermostat hole, Mk 2 S heads have a part number stamped behind the thermostat hole (12G938). If the crank, block, rods and head are all good/reconditionable condition than its worth up to $1000 in my opinion.

oi,
12G938 was a 9 stud Morris 1100S head. Mk2 S ones (most) were stamped 12G1805 there.
The only real difference inside the casting was the S had 1/16" bigger inlets and a bit of a clean up.


Im glad someones paying attention. Sorry my mistake :wink:
I know somone who has the wrong head on there Clubman GT then :lol:

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 Post subject:
PostPosted: Tue Jan 12, 2010 4:35 pm 
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850man wrote:
drmini in aust wrote:
850man wrote:
If the thrust surfaces & thrust bearings are that worn then its most likly that the crank & block are throw away, but I doubt that the clutch problem is related to the crank thrusts. The thrust surfaces can be machined/cleaned up and oversize thrusts are available, up to 030. Make sure the head is a genuine S head, rather than a std 1275 head with the extra holes drilled, Mk 1 S heads are numbered AEG163 and have the westlake "W" cast into the top surface behind the thermostat hole, Mk 2 S heads have a part number stamped behind the thermostat hole (12G938). If the crank, block, rods and head are all good/reconditionable condition than its worth up to $1000 in my opinion.

oi,
12G938 was a 9 stud Morris 1100S head. Mk2 S ones (most) were stamped 12G1805 there.
The only real difference inside the casting was the S had 1/16" bigger inlets and a bit of a clean up.


Im glad someones paying attention. Sorry my mistake :wink:
I know somone who has the wrong head on there Clubman GT then :lol:

Meh... it's only a GT.
(dons flameproof suit) :lol:
My GT (was bent, so we wrecked it) had a Mk1 S block and a ported 1100S head. I'm still running that head on my 1360, with an RE282 cam and 1.5 rockers, it kicks arse. :P

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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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