I never knew that there was weigth restriction for improved production 3J !!! my 1200 with CA18det runs in over 3000cc and weighed in at 880kg with full tank of juice. I plan to get it closer to 800kg but once its all back together running in sports sedan class so i can run slicks and no turbo restrictor. Most of the places I race in supersprints and hillclimbs are pretty lax with the rules even state rounds arent that bad unless you flog some old mate that dosnt like been beaten and tries to find something illegal with your car.
cheers Andrew