the RB30 is just testament to wat those freaky lil japs can do with an engine...ffs look at the SR20...
even the 4ltr lexus V8 TT they've got goin hard, wait till they start fukn with sum serious cubes....
an that was about 5yrs ago...i havnt followd the scene so iduno where its upto now...
an that was back wen the HKS skyline was doin 7.7z, they had a HKS supra V8TT goin 8z aswell....
ino theyve started to play with top fuellers but havnt red/seen much more about it