Skydive@AI

These are linked from the AMS website. There aren't any B5 or B6 S4s online, but this will give you a general idea of the variance.

<a href="http://www.advancedmotorsport.com/maha/R32_STOCK.pdf">Stock R32 Dyno Run.</a>

<a href="http://www.advancedmotorsport.com/maha/WRX_STI.pdf">Stock WRX STI Dyno Run.</a>

<a href="http://www.advancedmotorsport.com/maha/A4_TFSI.pdf">Stock A4 2.0TFSI Dyno Run.</a>

Of note is the fact that the MAHA measured the 2.0T's crank horsepower to the factory spec, just about on the button.

Audi says 200 BHP and 207 lb/ft torque.

MAHA measured calculated 201.6 BHP and 207.45 lb/ft torque. (Converted Nm to lb/ft via the link below.) Calculated driveline loss is pretty accurate, wouldn't you say? 76.9 Horsepower is given up to the Quattro driveline, in this case.

If nothing else, this is evidence that Audi's probably using a MAHA chassis dyno to generate the numbers they use in marketing, though I suspect they probably correlate their numbers with an engine dynamometer as well. So... if you're interesed in knowing what your efforts really do reveal beyond stock, I think the MAHA's a good bet, though if you're interested only in differential tuning without regard for comparison in terms of actual numbers, any dyno will work, if it's the same dyno every time, and conditions are similar.


Yes. I'll probably be at The Stand next time around.<ul><li><a href="http://locost7.info/converter.php">Clubman Unit Converter</a></li></ul>

kujo

Thanks again Michael...