Last January I pondered over the same question, sell or swap. I chose to hold on to my NA and go for the conversion. It's a 1994 with just over 53K. Couldn't see diving into the motor to do the 60K service only to sell it. Once I pulled the motor and trans, I was pumped. Took some time but I am finishing up the last bits as we speak. Took longer than expected due to my other priorities, but I chose to go with bigger turbos and all the supporting mods while I was at it. I couldn't help myself. If your car is that clean and your attached to it, go for it. Good Luck.