Hello PW,,,,,,, this thread will be related to toyota 2L engine overhauling ,,,,,,,, i am going to rebuild my 2L engine fitted in nissan D21 ,,,,,,, its in my use since long and it does need a complete and proper overhaul ,,,,,, will show how to properlly rebuild an engine ,,,,,, just not only assamble disasamble and fit new ring piston valve but a proper rebuilt ,,,,,