Check out Northern Blvd. in th 70s and 80s -- lots of Ecuadorean and Colombian places there, and big communities from those two countries living there.
Dave Cook also wrote up this great-sounding Ecuadorean place in Corona, Mi Picanteria El Guayaquileno, which serves food from the coastal city of Guayaquil: http://www.eatingintranslation.com/20...
Mini Picanteria El Guayaquileno
92-54 Corona Ave, Queens, NY 11373