Autoblog http://www.autoblog.com Autoblog http://www.blogsmithmedia.com/www.autoblog.com/media/feedlogo.gif Autoblog http://www.autoblog.com en-us Copyright 2009 Weblogs, Inc. The contents of this feed are available for non-commercial use only. Blogsmith http://www.blogsmith.com/<![CDATA[Give your hot rod the gift of... Zirconia]]>http://www.autoblog.com/2006/12/31/give-your-hot-rod-the-gift-of-zirconia/http://www.autoblog.com/2006/12/31/give-your-hot-rod-the-gift-of-zirconia/http://www.autoblog.com/2006/12/31/give-your-hot-rod-the-gift-of-zirconia/#commentsFiled under: , ,



No ersatz diamonds here, but the Zirconia based coating from Zircotec in the UK will help your vehicle be more durable and powerful. The Zircotec ceramic coating was developed for the nuclear industry and has been proven in automotive applications by several Formula 1 teams. The purpose of the coating is to increase engine efficiency, improve aesthetics and improve thermal management. Older cars don't have the ability to manage the heat generated by their powertrain as effectively as more modern designs. There are also those pesky laws of thermodynamics and physics - a turbocharger housing is going to get bloody hot, no matter what. With a cherry red turbo snail, you'd best make sure anything that can burn or melt is well insulated. Coating parts like exhaust manifolds will improve engine efficiency by keeping the ambient temperature of the engine bay down, a by-product of which is lower intake plumbing temperatures. Turbocharged engines will also see a performance increase. The turbine is driven by the expansion of exhaust gas as it cools, and keeping the heat in the exhaust stream allows the turbos to spool harder. Engine blocks and intake manifolds also see benefits when coated, due to better insulation.

The Zircotec coating is so good at providing a thermal barrier that a motorcycle racing team discovered they could remove exhaust pipes without gloves, while the gasses coursing through the pipes were, uh, piping hot. The Zircotec coating sounds like it's well-suited to keeping your vintage sports car from cooking you, or making sure that the 502 you stuffed in your Chevette doesn't blister the paint on the quarter panels due to heat coming off the headers. We'd love to try it out and see for ourselves. No longer burning our fingerprints off on the hot parts underhood sounds like it might be worth the shipping.

More photos after the jump.

[Source: gizmag.com]

Continue reading Give your hot rod the gift of... Zirconia

Give your hot rod the gift of... Zirconia originally appeared on Autoblog on Sun, 31 Dec 2006 15:05:00 EST. Please see our terms for use of feeds.

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Mechanically actuated valves may soon be a thing of the past. We've made over a century's worth of improvement on the same basic combination of a camshaft, followers (or lifters), a poppet valve and a spring. We've gone from using pushrods and rocker arms to actuate the valvetrain to direct-acting buckets motivated by an overhead camshaft with variable phasing and lift. While engineering ingenuity has managed to wring incredible performance and flexibility out of these setups, there's only so far you can go before bumping into the laws of physics. French automotive supplier Valeo SA has been working on camless engine technology for quite some time and they expect to have their system on the street by 2010 or 2011. Valeo is working with several automakers to implement the camless technology. Eliminating a traditional valvetrain is expected to yield efficiency improvements nearing 20 percent. An increase in performance and emissions decreases will also be realized from the system.

More after the jump


[Source: Valeo via Autoweek]

Continue reading Behold the cam-less future

Behold the cam-less future originally appeared on Autoblog on Fri, 22 Dec 2006 13:34:00 EST. Please see our terms for use of feeds.

Read | Permalink | Email this | Comments]]>camshaftscylinder headCylinderHeadelectronicsengine electronicsengine managementengine technologyEngineElectronicsengineeringEngineManagementEngineTechnologymechanicalmotormotor technologyMotorTechnologyoverhead camOverheadCamtechvalvesvalvetrainFri, 22 Dec 2006 13:34:00 EST