Originally Posted by
banshee
I have a 2000 grand prix gt 2dr. I bought a 99 grand prix gtp 4dr. The gtp spun a rod bearing and damaged the crank. I know I am going to do the s/c swap. I was also thinking of swapping the 4t60e for the 4t65e. After looking at the hud and better center display I would like to swap them too. Looking for advise on trans and interior stuff. Is the trans swap worth the effort? Is there a dash wiring harness or is it a complete body harness? Will it have to be changed? If so will the 4dr harness work in the 2dr?