I have an HTBG/14(57mm compressor/65mm turbine) and I have a set of DDP75HP injectors. 6 speed 3.54 285 tires. It does pretty good. Only EGT issue I have is if I let the RPM get below 1800 or so in 6th gear. Smoke with no towing is fine, I run my comp on 1x1 though. I ran a set of old diesel dynamics extrude hone 120-130HP with a 62/65/12 and smoke wasn't bad, but the EGT issue in 6th gear was worse. I had to be above 2000 rpm. Above 2000 rpm it would pull like a freight train, just that is about 72-75 mph.
That is why I would like to have a 12 or a 13 on my HTBG. I think the tighter housing would let me run around the 17-1800 towing the 11-12K that I tow.
Summary, I would probably go with a set of 120HP injectors.