That looks like the Cox Bros 66 Dart. NO blower, but injected, alcohol, and nitrous. Tube chassis car has gone 9.97 in the 1/4 mile. More pics here. Red 66 Dart. Click on pics for full size.
http://www.slantsix.org/galleries/claycity/2003/2003.htm
http://www.slantsix.org/galleries/claycity/2002/claycity-2002-gallery.htm
All the cars in those galleries are slant powered.
