Combine first 8 ingredients in a large bowl.
Heat tortillas according to package directions. Spoon 1/2 cup crab mixture down the center of each tortilla. Roll up tortillas, making sure to fold in the ends.
Pour oil to the depth of 2 inches into a Dutch oven; heat oil to 350°. Fry chimichangas in batches 7 to 8 minutes or until golden. Drain well on paper towels.