hello everyone.
im from pakistan and my first car was a datsun which i still have (i also have a vtec powered civic).
a few years ago i had a very different engine swap which is common here.i replaced the original b12 with a toyota 2c turbodiesel engine.although the car got very front heavy it was quite powerful and i very very easily got 160 km\h out of it.
now i want to put a gasoline engine back but not much options here.i would like to keep a nissan engine but no rwd nissan engines are available here.any good suggestions.what about a toyota 1rz turbod.
and please tell me how can nissan a series engines take so much boost while the safe boost for a honda stock engine is only 7 psi
thanks a lot.

welcome to the club, sorry cant help much with the questions

honda engines often have quite high compression ratios which is not good for forced induction....an a12 has a stock compression ratio of 9:1. While not ideal for forced induction, this is a heap better than some of the vtec hondas which in some cases can run up to 11:1 compression ratio.

Often when people use high boost levels the enginge need to be modded to cope. ie "not stock"

A honda engine could probably cope with a lot more that 7psi boost if it has stronger and lower compression pistons, tougher valve springs, tougher rods, head studs, bigger fuel injectors etc etc etc