Diesel q's

[juliemac57 at hotmail.com (Julie Macfarlane)]

It seems I made your day Drew  :) Now that I have had coffee, the concept 
remains the same.
The idea is to keep the lower block and replace everything else. the head, 
injectors and fuel pressure system etc.

Is there a head that will fit the 9A? Or is the block just too "soft" to 
take the bigger and harder injectors?



Julie Macfarlane
1981 MKI 2L 16v w 2Y
Amsterdam NY
http://www.menloparkrandd.com/scirocco
http://www.menloparkrandd.com/my_rocc





>From: drew@scirocco.cs.uoguelph.ca
>To: "Julie Macfarlane" <juliemac57@hotmail.com>
>CC: scirocco-l@scirocco.org, drew@scirocco.cs.uoguelph.ca
>Subject: Re: Diesel q's
>Date: Sun, 30 May 2004 08:24:33 -0400 (EDT)
>
> > With the prices of gas being what they are, and not likely to reduce, I
> > cam
> > eup with the concept. Please remember I  have not had coffee yet.
> >
> > Could a 9A 2l 16v engine be converted to diesel? I know the head would
> > need
> > work,  but may be the glo plugs swap for the spark plugs etc?
> >
> > When you stop laughing, please reply  :)
>
>.... hooo hoo heee hee... (wipes tears from eyes...)
>
>No.
>
>Lessee, what are the issues?
>
>#1 you need at least a minimum of 16:1 CR - and that will gurantee
>starting above 10 degrees Celsius.  Below that you'll have to use block
>heaters, intake heaters, glow plugs or a combination of the above to start
>the engine.
>
>#2 you need injectors capable of delivering precisely metered and timed
>fuel to your 16:1 compression ratio combustion chambers.  CIS runs with
>fairly high system pressures - in the range of around 60 psi.  Your
>average indirect injection  turbo diesel needs a breaking pressure in the
>2200 psi range to crack the injectors, direct injections are higher than
>this.
>
>#3 you need a way to drive the precises metering and pumping device which
>delivers fuel to the injectors at these high pressures.
>
>#4 you need an engine capable of handling the stresses imposed by high
>compression ratios.
>
>#5 I'm sure there are a few other good reasons, but I haven't had a cup of
>coffee yet so they'll have to wait.
>
>In short, the only thing the 9A has in common with a VW diesel block are
>piston squirters, and the turbo diesel had them first... :)
>
>If you want to convert to diesel, swap the engine out like everyone else
>does.
>
>
>Drew
>
>84 Wolfsburg Ed. Scirocco GTD     http://scirocco.cs.uoguelph.ca/gtd
>89 Audi 200 Turbo Quattro Avant
>94 A3 Golf GL TurboDiesel, 99 A3 Jetta GL TDI
>=========================================================================
>At the time this email was written there were only
>4 days, 15 hours, and 36 minutes until Cincy2K+4!  Have YOU packed yet?
>
>