silver metallic is the most adoreable paint for ke20's in pakistan....
for engine swap go ko 5k-b if u want to have a power house under the hood else atleast go for 3k-b
take out extra leaf springs from rear suspension....
strenghten up the front sway bars...
put in a passive mechanical LSD in it ....
put atleast 205 tyres and keep the gear in original 4 forward ratio for high pick up....
put a servo brake system in it .....
got www.rollaclub.com and check my ke20 over there ....also u will found a group of rolla lovers there 
qas