New delivery today
<img src="http://tomasz.data2net.org/gallery-albums/album109/015_G.jpg">

an underdrive crank pulley from OBX for $60 thanks to SivNiz pointer to a GB
<img src="http://tomasz.data2net.org/gallery-albums/album109/013_G.jpg">

comparing to the stock pulley it's not only smaller but way lighter. I figure the stock pulley is at least 5lbs, the underdrive is more like 1lbs.
<img src="http://tomasz.data2net.org/gallery-albums/album109/020_G.jpg">

Also, my 2.9" s/c pulley came in, together with the underdrive pulley it should produce around 16-17psi
<img src="http://tomasz.data2net.org/gallery-albums/album109/008_G.jpg">

Whipple is sending me the correct adapter to get the short nose working, but in the meantime here a mockup of the fittment of the pulley on the charger
<img src="http://tomasz.data2net.org/gallery-albums/album109/019_G.jpg">

<ul><li><a href="http://forums.audiworld.com/midatlantic/msgs/171480.phtml">he gets it, Stefan. :oP</a></li></ul>

could never get definite answers as to what rpm anyone's u/d pulleys charge at, so I put on a lightweight pulley that has oem diameter.