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#232412 - 02/09/2004 19:29 Smoke
schofiel
carpal tunnel

Registered: 25/06/1999
Posts: 2993
Loc: Wareham, Dorset, UK
I have (as you all know) a '91 Rover Mini 1000. It's the old Leyland A-series iron block and head, with hard alloy seat inserts for unleaded.

When I start the car, it produces a big cloud of oil smoke - it is oil, not rich mix 'cos the smoke is blue and it pongs - which stops after a few seconds of driving. It's not burning oil under normal driving conditions and doesn't smoke - except when starting after standing for a while.

Now I'm pretty sure I know what the cause of this is, but I am going to pitch it here anyway to see if I get any other opinions - to which I am always prepared to listen.

So, anyone?
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One of the few remaining Mk1 owners... #00015

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#232413 - 02/09/2004 20:42 Re: Smoke [Re: schofiel]
genixia
Carpal Tunnel

Registered: 08/02/2002
Posts: 3411
Valve stems/seals are the favorite. Less likely, it could be an issue with the crankcase breather. Remotely, it could be the beginnings of leakage past the rings. Head gasket highly unlikely - it would smoke all the time.
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#232414 - 02/09/2004 22:54 Re: Smoke [Re: schofiel]
tanstaafl.
carpal tunnel

Registered: 08/07/1999
Posts: 5546
Loc: Ajijic, Mexico
Now I'm pretty sure I know what the cause of this is,

You know it's valve guides and seals. I'm surprised you even asked...

tanstaafl.
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"There Ain't No Such Thing As A Free Lunch"

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#232415 - 03/09/2004 00:27 Re: Smoke [Re: tanstaafl.]
lastdan
enthusiast

Registered: 31/05/2002
Posts: 352
Loc: santa cruz,ca
it does sound like stem seals, but it would be a good idea to make sure that the breather system is clear, and make sure your drain-back passages are not restricted. (cold, thick oil builds up in the top of the head, fat chance).

what do the sparks look like?

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#232416 - 05/09/2004 09:51 Re: Smoke [Re: lastdan]
Dylan
addict

Registered: 23/09/2000
Posts: 498
Loc: Virginia, USA
Actually, I think it's the defibulator modulator. Have you checked the backwash hoses leading from those? Or maybe your dilithium crystals are dirty.

OK. I know nothing about engines. I just make understanding grunts when the repair guys tell me things.

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