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Date:         Sun, 15 Jul 2001 10:56:32 -0400
Reply-To:     Bradley Flubacher <flubach@HOME.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Bradley Flubacher <flubach@HOME.COM>
Subject:      Re: LPG diesels, anyone?
Comments: To: Andrew Grebneff <andrew.grebneff@STONEBOW.OTAGO.AC.NZ>
In-Reply-To:  <v01550101b7773e31fcf5@[203.96.99.171]>
Content-Type: text/plain; charset="US-ASCII"

I think the dryness might refer to the lubricating properties of the diesel that are needed to keep the injection pump in good working order?

Bradley Flubacher State College, PA '82 VW diesel westy '84 GL wasserboxer

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM]On Behalf Of Andrew Grebneff Sent: Sunday, July 15, 2001 5:44 AM To: vanagon@GERRY.VANAGON.COM Subject: Re: LPG diesels, anyone?

>I asked the list about that last year, I think. > >The consensus was that it wouldn't work - because the gas is too dry - or >something similar. > >I don't really understand that, but I've never ran a diesel or lpg, either. > >What I've been wondering lately is why in America, where diesel fuel is >often more expensive than regular fuel, people don't run regular fuel in >their diesels instead. > >There must be a good reason.

Well, it is working in Australia... and how can dryness affect a diesel more than a gasoline engine, which is basically identical in design?

I guess a diesel COULD be made to run on gasoline (I've thought about this also, very briefly), but compression ratio would need to be dropped way down. But it may be that the compression-ignition point is inevitably too soon, causing loss of power and premature preignition damage. In diesels, of course, the timing of ignition is entirely a function of the compression ratio and flashpoint of the fuel used. EFI injection-timing will not alter ignition timing in a diesel.

Do the late (A4) VW diesels use a centrifugal oilfilter?

Andrew Grebneff 165 Evans St, Dunedin, New Zealand ph 64 (3) 473-8863 fax 64 (3) 479-7527 <andrew.grebneff@stonebow.otago.ac.nz> www.goingplatinum.com/member/vw1 www.highyieldcrusaders.ws/ref.html?ref=vw VW & Toyota vans, Toyota diesels and Macintoshes rule


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