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Date: Wed, 04 Jul 2007 17:25:53 +0200
From: Frode <fhnospammica.no>
Subject: Re: 81 900T woes


Paul Halliday wrote: > in article ea598e782e6c9947079a70a8f77c659anospamlhost.talkaboutautos.com, > hippo at johnhnospamthis.shoal.net.au wrote on 02/07/2007 13:48: > >> The trusty old 81 900T auto sedan failed to proceed for the first time in >> over three years. Started on 3 cylinders, ran for 300M and cut out >> completely half way round a roundabout. Coasted off. Turned over but no >> interest in firing, except occasionally on one cylinder. Plenty fuel & >> pump running. Gave up just before flattening battery & towed to local >> w/shop. One cracked fuel line and drowned plugs (funny that). Valves & >> timing chain seem ok, but compression *not* - 80, 65, *25*, 80. Now >> running basically ok again. Car uses *no* oil or coolant between changes. >> Ideas? Busted rings? Worth a pulldown or likely cheaper to just swap in a >> known good powertrain? Any advice welcome. Cheers > > I'd be inclined to pull the head off and see what that reveals. > > Paul > > 1989 900 Turbo S > http://saab.go.dyndns.org/ I second that opinion. Those compression figures indicate that you may have a burned exhaust valve, or that might be what you end up with unless you do something. And eventually a cracked head too -- like I did:-P Frode

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