The gas smell is caused by the car running richer due to the air being metered is dumping back out. You also have a shitty bov that will leak once you start running real boost pressures.
15-17lbs is ok. Have you rewired your fuel pump too? If not, it would be a good idea too.
__________________
FOR A WOUNDED MAN SHALL SAY TO HIS ASSAILANT
'IF I LIVE, I WILL KILL YOU. IF I DIE, YOU ARE FORGIVEN'
SUCH IS THE RULE OF HONOUR.