I havent tried fitting a T5 but the main problem with the T56 seems to be the height of the case,T5 is much lower in that area.
If I wasnt using a stand alone, the firewall would need to be knocked in around 1/2" where the sensors are.
The throttle body will not clear a standard bonnet, mine is raised and vented.
I will get some phots up toomorrow of the sump, throttle etc.
I started making the headers today, they are along the same lines as those others, just a little more tricky.