bro, memang banyak vtec running b20 with street spec. initially u dont allow above 1834cc n now u can accept b20 with weight penalty.
what about applying the same principal on the street spec turbo category? there are many many malaysians running cc above 2200cc, especially rb25, rb26, 1jz, 2jz, 7m etc. most of these cars memang heavy in street trim, nowhere near all the satrias n even wiras. but if u want to impose weight penalty, go ahead. 1 more thing. the more power these engines have, the more disadvantage they have due to the regulations not allowing slick/drag tyres. torque besar, rear wheel drive, street tires. mana ada traction. these would make a level playing field with fair competition with cars with 2200cc and below.
street cars like these got no other categories to enter. class A & B require FIA cages, which no way owners are going to install on their cars.
if u would like to see how these cars look like/how they perform in order to consider increasing the displacement requirement, i would be glad to bring a few samples for ur consideration...