06-04-2014, 01:28 PM #1
New Riva XX2 supercharger upgrade
Riva has upgraded their XX supercharger upgrade and are now offering the Engine Tech 137+4 for the 255/260 superchargers
Engine Tech / RIVA XX2- Supercharger Upgrade
Our new XX2-Charger delivers 15 psi of boost pressure at 8,500rpm producing arm wrenching acceleration and increased top speed. High performance...
06-05-2014, 04:35 PM #2
Has anyone gotten this map to work from the Riva web site? They now have a new map for this wheel but when I tried to load it in Maya I get empty tables. I've tried it now on several different computers.
06-06-2014, 07:28 AM #3
Jerry , any of the old XX run out ?
06-06-2014, 08:45 AM #4
06-06-2014, 09:30 AM #5
06-06-2014, 09:30 AM #6
06-06-2014, 09:31 AM #7
06-06-2014, 09:31 AM #8
06-06-2014, 10:07 PM #9
- Join Date
- Mar 2006
how much boost at 7700? I have the et137 +4 on an x charger with a 17 tooth gear running on my GTX 185 w/ the RXP ecu pitched to 8100.
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