Interesting link on Engine Codes...

Wed Nov 22 10:56:00 EST 2000

> At 15:31 00-11-21 -0500, Rokas Reipa wrote:

>>I have a couple of questions concerning the chart:
>>1) Were European 200's of 1986-1989 era equipped with the same MC engine as
>>US-spec 5kt's/200's? How did the power output compare to the roughly
>>158hp/166lb/ft of US spec cars?

> As far as I know, the engines are identical. The US MC is listed at 162hp,
> while the European one has 165hp. I believe the difference is because the
> first value is given using the SAE net norm and the other one according to
> DIN.

>>2) If the same engine was used on both sides of the Atlantic, why did they
>>go from the MC to the KG in Europe? Apart from having an oil-cooled turbo,
>>it seems like the KG is a superior engine, power-wise at least.

> They did not. KG engine does not have any emissions control systems and is
> designed to operate on 98 RON leaded fuel. Hence the higher output. Because
> all cars sold in the USA are required to operate on 87 AKI (roughly 92 RON)
> unleaded fuel, the compression ratio of the KG was lowered, emissions stuff
> was added and that's how the KH engine found on 84-85 5KTs was born.

I think this picture is a little confused.

The KG engine was used in European 200s up to February 1988.  The KH is
a low-emission form destined for the Japanese market - I don't know
whether it was also sold in environmentally-sensitive countries like
Sweden and Switzerland, but we don't have any in the UK.  From February
1988 to December 1990 the 200 used the 1B engine - this is a derivative
of the MC-1 and virtually identical to the MB used in the ur-quattro
during the 1988 and 1989 model years.  Nominally 200 bhp. The 200
was dropped from the programme in model year 1991 (actually November
1990) to protect the new V8.  Since there wasn't a V8 Avant, Audi
produced a limited number of 100TQWs to 200 specifications apart from
seats and bodywork, and these were fitted with 165bhp MC-2 engines.

--
 Phil Payne
 UK Audi quattro Owners Club
 http://www.isham-research.freeserve.co.uk/quattro
 Phone +44 7785 302803   Fax: +44 7785 309674