Diesel motor wanted/Diesel bus

[scirocco at vintagewatercooleds.com (Eric S)]

You whacky canucks!  Sorry for my US-centric views on the subject!

-- 
Eric
www.vintagewatercooleds.com

79 VW Iltis
81 Scirocco S (TDI Swap project)
90 Corrado TDI
91 Cabriolet (2.0 Crossflow swap project)

Drew said:
> On Mon, 2004-05-17 at 11:02, Eric S wrote:
>
>> Woah Drew...no!  The eco-diesel was a special 1.6TD that utilized a cat
>> and had the boost aneriod removed.  It used a smaller turbo, and was
>> rated
>> at 68HP (though I've found that turbos spool characteristics to make it
>> a
>> much more fun engine to drive than the standard 1.6TD)
>
> Uh, NO, Eric - there WAS a 1.6TD ECO diesel on the US market (we were
> spared this abomination north of the border,) but the 1.9TD AAZ motor
> was ALSO called an ECO diesel.  This engine has fuel delivery and timing
> maps to minimize soot and NOX output.  It is a non-EGR engine with a
> one-way catalyst (same as the 1.6 ECO and TDIs)  The engine came in B3
> Passat and A3 platform cars in Canada.
>
> And the 1.6 ECOdiesel would ONLY be fun to drive because of the 4.25
> final drive.  This engine was coupled with short gear ratios to keep
> particulate emissions low.  Its torque numbers were more in line with a
> normally aspirated diesel (75-80 lb-ft range) do to the lack of fuelling
> on boost.
>
>> Many dynos have proven that the numbers VW quoted for the stock TDI were
>> silly low.  I've seen multiple dynos showing 100 hp and 185+ ft lbs *to
>> the wheels* from stock TDIs.
>
> The TDI's (like any diesel) power output varies greatly depending on
> factors such as ambient air temperature, and fuel temperature and cetane
> rating.  The EDC (elctronic diesel control) computer's job is to monitor
> these and other parameters (the key ones being air mass at the MAF and
> intake manifold pressure) and adjust fuel timing and volume to minimize
> emissions and maximize power output.  Because of this, a stock TDI (or
> any other diesel) will perform much better at sea level on a cool day
> than it will on a hot day at 7500 feet.
>
> 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
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