people shud have realise supra is always special...
thats why western had name it BULLET PROOF....
i had gobne for more than 2.5 bar which my boost controller FFK me for many times...noting happen to my engine (touch wood) untill now.....
no makan minyak engine and such....
if compare to RB26, 4G, rotary and so on, u have to upgarde alot alot alot of part such as oil pan, oil hose and hole and oil pump, pistons, crank, conrods, gasket, fuel pump and injectors, management, and bla bla.....or else, it would been blown since ages ago...
wat i have did to mine is just mod it, abuse it, ram it, enjoy it.....the only thing u need to do is oil change each 5K km and maintain the rest of it....
good luck guys.....