Non Aus Supercharged mk4 8psi..multiple needs more fuel,etc.

[Scgolf]

Hello all, I have just got my rebuilt 2.slo. Back.
What was done- nuespeed belt driven super charger, computer programmed by nuespeed,
K&n cone air filter, engine blocked bored .20 over, new rings rods bearings(added double bolt main)
Over sized valves , new seals, and all new gaskets off course.
Motor broke in 5 k miles,
I need help on best fuel pressure reg 80psi, also belt slap is a issue my tensioner is maxed,
Best boost gauge and location for golf,
Also I want to cam it and put a 2.6 pulley on it

Any help would be great, Ty