Date: Tue, 29 Jul 2003 15:30:36 +0100
From: Grunff <>
Subject: Re: Ecotec CB-26P

Paul Halliday wrote: > I'm intrigued by these devices and have read a lot of good press about them: Paul - for shame! Snake oil, just like the magnets etc. that you can fit on your fuel pipe. They work by letting extra air into the inlet manifold - more air when it's under vacuum. This leans out the mixture, giving *very slightly* better MPG *under a limited set of conditions*. More importantly, they ruin the careful metering done by your FI/AMM. They are mostly harmless - though running too lean can increase engine temperatures, and in extreme cases burn valves. But they certainly aren't in any way, under any circumstances a good idea. Look at it this way - if [insert car manufacturer's name] could offer a 20%+ increase in fuel economy by fitting a 50 device to their engines, would they do it? For heaven's sake - it's recommended by MaxPower!! -- Grunff

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