Date: 18 Jan 2005 20:17:59 GMT From: Dave Hinz <DaveHinznospamcop.net> Subject: Re: Opened DI Casette - For those interested
On Tue, 18 Jan 2005 20:05:19 +0000, Colin Stamp <colinnospamp.plus.com> wrote: > On 18 Jan 2005 18:37:01 GMT, Dave Hinz <DaveHinznospamcop.net> wrote: > >>I doubt it's cheaper than old-style ignitions systems, but emissions >>and performance can be attained with DI that aren't possible without >>it. > > I wouldn't say it's impossible to get the same level of control > without the DI Check out this article: http://www.vehicular.isy.liu.se/~larer/Projects/main.html > , but the Saab setup does do the job neatly and I > suspect more cheaply than using extra sensors. I'd venture to say much of what they're using the DI for can't be done in other ways, since the spark plugs are the only thing that can be used as sensors in the combustion chambers. There's just no other way to get that information. Dave Hinz
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