The Red Devils have been up and down since the arrival of 39-yearold Amorim last month, losing heavily at home to Bournemouth on Sunday following their derby victory over Manchester City.
Pereira acknowledged it took him a while to join the English top flight due to "bad steps" in his career but is now relishing the challenge ahead and the clash with compatriot Amorim, who he thinks will make his mark at United.
"We never played against each other because I am a lot older," 56-year-old Pereira said.
"I took a lot of time to arrive here (in England), because I made maybe bad steps in my career and missed opportunities to come sooner.
"Amorim is the new generation of Portuguese coach with a lot of talent and communication, tactical, strategical talent and I believe he will do a very good work in the Premier League."
Pereira has been in the Wolves job less than a week after replacing Gary O'Neil'and will have little time on the training pitch to work with his new group of players due to the Premier League's tight festive fixture schedule.
But the much-travelled former Porto, Olympiacos, Fenerbahce and Al Shabab boss insists he does not need a lot of time to get Wolves playing the way he wants.
He added:"We will improve, improve the...