The Hammers have kept four clean sheets this season and Allardyce believes that 33-year-old Faye should take the credit.
"The improvements in the defence are down to Abdoulaye Faye," the boss told reporters after his side's 1-0 victory over Peterborough United yesterday.
"He is a man mountain and the coolest dude you will ever see in your life.
"He always gets to the ball first."
Faye joined West Ham on a free transfer during the summer after being released by Stoke City.