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post #2 of (permalink) Old 27th August 2007
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In theory,your right.In this age of technical advancement it should be possible,but it would make the engine a complete nightmare to work on,especially if something like a cambelt broke.Instead of just taking the head off and replacing the valves,you'd need to take the complete engine and gearbox assembly out,split the engine and gearbox,remove the crank and pistons,have a valve spring compressor about 4 foot long,remove the valves etc etc etc!

Of course,you could have an engine driven by a chain which would reduce the possibility of it breaking,but there would still be an awful lot of problems to overcome.

Ford developed an engine that was mainly made of plastic quite a few years ago,so it would have become a disposable unit,but the idea sank without trace.If the engine was made as a cheap and desposable unit,then I think the one piece engine could be mass produced,but I think we are a long way from that.......

I'd rather push my Alfa than drive a BMW....
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