You can use those cheap $$$$ Ebay new turbos for your application.
Examples: http://cgi.ebay.com/ebaymotors/SUPER-T4-...sQ5fAccessories
http://cgi.ebay.com/ebaymotors/GT35-T3-T...sQ5fAccessories
http://cgi.ebay.com/ebaymotors/T04E-T3-T...sQ5fAccessories
A 292 low boost,plenty of torque.

233 is too heavy & a 292 would be able to take more abuse.

MBHD


12 port SDS EFI