its the same block but its getting sleeved by AEBS check out the web sight pretty sick stuff. any way, I'll soon be getting a brand new head from the dealer, 99-00 gsr, new clutch fly wheele, hopefully intake mani. custom fabbed and AEM's EMS to accurately tune the beast. and hopefully a type R tranny. My tuner and I are shootin for 750hp range or higher! I dont know well see! THANKS TOO YOU ALL!