Quote:
Originally Posted by gm4life
The VXR500 is a non-intercooled HH112 supercharger, making 490ish hp./tq. Pretty much the same supercharger as the Maggie. I think you'll be paying much more for the Harrop unit because of shipping.
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Problem is the HH112 is discontinued. The standard 112 and 122 will continue. I pulled the following from another board...
"The MP112-HH has officially been discontinued. It seems that Magnuson ran out of the 112 "High Helix" rotors and will not be producing any more. There may be a few new MP112-HH units left out there but we can no longer take an order for a MP112-HH.
As for now, GTO Magnacharger choices are limited to the standard 112 or the 122HH. It is important to note that custom rear drive configurations are available for both the MP112 and the MP122-HH. By changing rear drive configurations we are able to provide different boost levels depending on your specific application.
I thought I would make an official post/thread since there were many interested in the MP112-HH. I am disappointed myself as I thought the 112-HH was the best all around Magnacharger option for the GTO. Hope this information helps."