Date: Mon, 12 Feb 2001 18:16:08 -0800
From: Johannes H Andersen <>
Subject: Re: Saab Mechanics: A Hypothetical Question

John & Margaret Strowe wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > On Sun, 11 Feb 2001 17:32:17 GMT, Bob <> wrote: > >One piece head and block ? I thought the whole idea hinged (some > >pun) on a head that moved up/down with some sort of expandable > >rubber > >gasket to keep it sealed (?) Couldn't you simply remove this unit > >and then pull the pistons out the old fashioned way ? > > I know that normally, you can not push the pistons out of the top of > the cylinder without cutting the wear ridge since the piston ring > will catch on the ridge. This will lock the piston into the cylinder > until the ridge is removed. The head/block are hinged to the > crankcase and probably could be removed with the pistons. How, then, > do you get a ridge cutter into the bottom of the cylinder with the > connecting rod in the way? > > John > Maybe the connecting rod connection at the piston end is bolted on in the same way as at the crankshaft end? A lot of bolts to undo/redo in that case. Also space for this kind of connection is very cramped at the piston end. Johannes

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