What is "a bit short"?
Take into consideration the source, Bob is a great guy, ex drag racer.
The TW5 will pump up the TQ curve in the area most of us ride, 2-4000 rpm, above what the SE255 stock cam offers and still be pulling at 5,500 (SE255 is done at 4,500) where the stock TB checks out. The TW7 would still do the same but come on 4-500 rpm later and carry to the same point and then the stock TB checks out. The 7 offers more potential hp above 4k to 6k with headwork and a TB change.
As far as cool the latest intake close cam will run the coolest but that assumes the tune is richened up to 14/1 cruise and the timing is adjusted (timing added at low speeds and throttle opening). The latest intake close will also be the latest to come on too assuming the same compression and head package.
In the late models with roller chain hydra chain drive I have not had issues with valvetrain noise as we did with the geardrives and older tensioners, assuming the geometry is right. and customer set up and mating parts proper for the build.
See the 103" dyno below