Date: 14 Oct 2004 20:46:25 GMT
From: Dave Hinz <>
Subject: Re: H engine in 9-5?

On Thu, 14 Oct 2004 19:24:21 GMT, Goran Larsson <hohnospamlid.invalid> wrote: > In article <>, > I have no idea if this is what has happened to your engine, but it is > one explanations that has been put forward as an explanation of piston > damage in B2x5 engines. If I do have something bad mechanical going on, I'll take pictures so we can use it for a training aid of some sort. > > Look at this image: > < > > The piston on the left is from a low friction Trionic 7 engine. The > piston on the right is from a Trionic 5 engine. Note the crack on the > Trionic 7 piston. The crack starts at top left and continues down and > right until it reaches the hole for the piston bolt. This type of > crack, unfortunately, is not always visible after removing only the > cylinder head. That is a _very_ odd-looking piston, at least compared to the B-engine pistons I've been juggling lately. > Lets hope the problem with your engine is something less serious. Yes.

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