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Loss of compression
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mogjag



Joined: 29 May 2008
Posts: 1

PostPosted: Sat Mar 07, 2009 9:49 pm    Post subject: Loss of compression Reply with quote

Does anyone know what is the best substance to pour down a spark plug hole to free possible stuck piston rings?
Ive already used brake fluid,but i seem to remember a similar problem being discussed on here in the past.
Can any body help?
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buzzy bee



Joined: 23 Nov 2007
Posts: 3397
Location: South Cheshire

PostPosted: Sat Mar 07, 2009 9:56 pm    Post subject: Reply with quote

Hi

I just run my car, obviously I had some compression, just had sticky rings, which have cleared now.

Cheers

Dave
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Rick
Site Admin


Joined: 27 Apr 2005
Posts: 21111
Location: North-west UK

PostPosted: Sun Mar 08, 2009 9:47 am    Post subject: Reply with quote

diesel can help too

Rick
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Rick (OCC Admin)
Various 1920s-1960s - Austin, Morris, Commer, Dodge etc.
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baconsdozen



Joined: 03 Dec 2007
Posts: 1116
Location: Under the car.

PostPosted: Mon Mar 09, 2009 12:20 pm    Post subject: Reply with quote

Some people swear by automatic transmission fluid.The best stuff I've ever used for freeing seized componenets is the old fashioned plus gas.If the engine will run at all it would make sense to add whatever freeing off agent you are using with the engine hot.
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