Ok Assuming you have gps on stock MR1 verizon rom.
1. Relock and downgrade rom to enable gps
http://forum.ppcgeeks.com/showthread.php?t=21161
2. Unlock using 2.47
3. Flash radio then custom rom
4. customize gps setting from xda wiki.
http://wiki.xda-developers.com/index...VerizonAGPSFix
Remember to say thanks and always backup your data before flashing