I believe this topic has not been discussed before.
The main aim is not to build a 4G63T (vr4-evo3) 400HP monster. But car / engine that is good for 30 mins non stop whacking (stock - 0.9 bar) in the track. Will...
'For ur info, my 'working hour' car is a mutated wira, outside 'ori' (prevent police kacau) but inside, a VR4 engine with TURBO (up to 4 bar) which able to 'boost' a healthy 400HP++...but i preset the turbo 'active'...