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help required, what have I broken ?
https://www.ausmini.com/forums/viewtopic.php?f=2&t=34285
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Author:  matt850 [ Sun Jul 29, 2007 10:25 am ]
Post subject:  help required, what have I broken ?

Morris has picked up a nasty smoking habit. Blue smoke = oil I guess. He is also missing/starving when going round right hand bends.
This is sounding very sinister to me ?
Any thoughts. Something broken inside ???

Author:  scotta_74 [ Sun Jul 29, 2007 10:56 am ]
Post subject: 

Noooooooooooooooooooooooooooooooooooooooooooooooooooooooo! :shock:

Author:  graham in aus [ Sun Jul 29, 2007 11:05 am ]
Post subject: 

Does it have a servo? (Booster) How are the brakes? :roll: :?:

Author:  matt850 [ Sun Jul 29, 2007 11:34 am ]
Post subject: 

no servo.

Author:  graham in aus [ Sun Jul 29, 2007 11:50 am ]
Post subject: 

Thought it might be brake fluid leaking into the servo and getting burned via the vacuum hose.

I would take the top of the carby float bowl and clean it out, check float (any fluid in it?) and float height, and water in fuel / float bowl bottom?

Check fuel pump output, measure flow rate into a jug?

Also do normal checks on compression, points gap, plugs etc? :shock:

:P

Author:  tinymorris1969 [ Sun Jul 29, 2007 11:52 am ]
Post subject: 

didnt u juz put a new cam in the engine matt? blue smoke sounds odd but the missing around corners sounds like not enough fuel... happen to me when i put the new carby on for a while till i realised that the old carby had been modified with a bigger needle and jet so compensate with the cam? possible problem.. when u say he blows blue smoke how often?

Author:  9YaTaH [ Sun Jul 29, 2007 11:53 am ]
Post subject:  Something obvious...

graham in aus wrote:
Does it have a servo? (Booster) How are the brakes? :roll: :?:


What Graham was saying was look for obvious things.....the vac line to boosted cars is a common one....a vacuum/breather line off, split or blocked is another possibility.

You could also have two unrelated problems :!: check the fuel lines from the carbys right back to the tank(s)...I suppose you could also have a fuel pump thats on the way out...next :lol:

Author:  drmini in aust [ Sun Jul 29, 2007 11:55 am ]
Post subject: 

When you swapped the heads did you scrape ALL the carbon off the pistons? If you did, it may be the cause of the oil smoke- the carbon on the edge of the piston crown can act as a seal against oil burning once motor has a few miles up.
If so, it will come good once it carbons up a bit.

It could also be the valve guides letting oil get sucked down if worn- I always put valve stem seals on the inlets now, even on old smallbore heads that never had proper ones originally.

Author:  9YaTaH [ Sun Jul 29, 2007 12:04 pm ]
Post subject:  Head change...

drmini in aust wrote:
When you swapped the heads did you scrape ALL the carbon off the pistons? If you did, it may be the cause of the oil smoke- the carbon on the edge of the piston crown can act as a seal against oil burning once motor has a few miles up.
If so, it will come good once it carbons up a bit.

It could also be the valve guides letting oil get sucked down if worn - I always put valve stem seals on the inlets now, even on old smallbore heads that never had proper ones originally.


Always nice to have the full story...aye Doc :!:

Maybe Ausmini should get a change of format so that all the problems with a particular car/engine are in the one place :roll: :lol:

Author:  matt850 [ Sun Jul 29, 2007 1:58 pm ]
Post subject: 

it has driven quite a lot of miles since the head change and started doing this today. thought it might have been internal and drastic to come on so suddenly.

Author:  gerg [ Sun Jul 29, 2007 2:48 pm ]
Post subject: 

God dam!!, when will it end.... :( , i hope it's nothing too serious Matt.

Author:  minivanman [ Sun Jul 29, 2007 5:00 pm ]
Post subject:  Re: Head change...

9YaTaH wrote:
Maybe Ausmini should get a change of format so that all the problems with a particular car/engine are in the one place :roll: :lol:


Then what would we talk about?

Author:  tinymorris1969 [ Sun Jul 29, 2007 5:30 pm ]
Post subject:  Re: Head change...

minivanman wrote:
9YaTaH wrote:
Maybe Ausmini should get a change of format so that all the problems with a particular car/engine are in the one place :roll: :lol:


Then what would we talk about?


I KNOW!!!

spider pig..spider pig does whatever spider pig.. can he swing through a web..no he can't cause he's spider pig :D sorry i juz watched the simpsons movie and still excited about it

Author:  scotta_74 [ Sun Jul 29, 2007 7:30 pm ]
Post subject:  Re: Head change...

tinymorris1969 wrote:
minivanman wrote:
9YaTaH wrote:
Maybe Ausmini should get a change of format so that all the problems with a particular car/engine are in the one place :roll: :lol:


Then what would we talk about?


I KNOW!!!

spider pig..spider pig does whatever spider pig.. can he swing through a web..no he can't cause he's spider pig :D sorry i juz watched the simpsons movie and still excited about it


Righhhhhhhhhhhhhhhhhhttttttttttttttttttttttttttt :? Come here Tiny and let me slap you! :wink:

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