update: I do not know all the details of Harlens car but after doing research he is not using the Stock PCM... well it is a stock PCM but it is modified and does read 15psi
Originally posted by jon_we4 update: I do not know all the details of Harlens car but after doing research he is not using the Stock PCM... well it is a stock PCM but it is modified and does read 15psi