Car - ke70

motor - 4k atm

use -drift fun street car

problem -what motor will be best?

occurs/started when -i got my first KE,lol

personal situation -im a bit of a noob with 4ages atm but i have 2 at my work one is in a old ae82 and it has black and blue writing on the cam covers and TVIS on the intake manifold with around 260,000km and is A1.

the other one is in a ae92 and has black and red writing on the cam covers and the dizy leads are under a cover,it has around the same km but this on is A2 so might be smokey or ratly but my blan is to rebiuld it anyway.i dont know if thay are bigport or smallport??

what motor should i get to put in my ke70??

im in no rush to get this car going as my track KE70 is my main project but ill just be doing this on the side for a bit of fun.

plans for the motor are full rebiuld cams, headwork,and all that jazz.what motor would be best for powor and strength????