[T3] Looking for data sheets

[Jim Adney]

On 26 Jan 2013 at 19:24, Keith Park wrote:

> VW used the bias resistor that Jim mentioned but back when the cars
> were new this was seldom needed. 

AFAIK, the bias resistor was added in series to shift the calibration 
a bit leaner. This was done under warrantee for owners who complained 
that their gas mileage was not as good as VW claimed when they sold 
them the cars.

When I bought my '68, VW claimed 27 or 28 mi/gal, but one of the 
mechanics told me that this was at 55 mi/hr with no wind. I don't 
think I ever got mileage that good, but I seldom drove that slowly. 
In those days, highway speed limits were all at least 65 mi/hr. The 
55 mi/hr limits didn't come in until the gas crisis of '73-4.  


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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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