Combine the onion, garlic, soy sauce, vinegar,
oil, brown sugar, curry powder, oregano and
pepper in a large bowl
Add the pork roast
Cover and marinate 12 to 24 hours, turning
occasionally.
Remove the pork from the marinade and rotate
the pork roast on the spit rods for 1 hour 15 to 1
hour 30 minutes or until the internal temperature
reaches 160 degrees on the instant thermometer
Remove roast, untie and slice into 1/2-inch
thick slices