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Lotus Engineering launches ‘Integrated Exhaust Manifold’
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OfTheSun
User
| Posts: 68
| Joined: 02/07
Posted: 03/15/07
11:34 AM
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Leave it to Lotus to develop an integrated exhaust manifold. Performance with reduced emissions? Awesome.
"Lotus Engineering will showcase a highly advanced cylinder head with integrated exhaust manifold (IEM) at the 77th Geneva International Motor Show. The production-ready technology can significantly reduce manufacturing costs, emissions and weight on most gasoline-engined passenger vehicles.
The cylinder head on display, for a small 3-cylinder engine, is the latest of a number of IEM designs developed by Lotus Engineering as part of its world-renowned consultancy business.
Following its development programmes, the UK automotive engineering consultancy estimates that for a typical DOHC 16-valve 1.6 cylinder gasoline engine, an IEM has potential to:
cut up to 5% of the total build cost
reduce catalyst light-off time by up to 20% (approx five seconds)
reduce powertrain mass by up to 5 kg
improve engine durability"
More info below:
http://www.grouplotus.com/eng/news_detail.php?id=44
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