Originally Posted by tighed1
FWIW
Just checked.
16lbs of boost at the top of third gear in the roadster with a 192mm crank pulley.
70 degrees at 4000 ft.
I have the NW remaned intake mani's and y pipe with the boost gauge pulling from mani tube, not y pipe. The gauge reads -1 with car off and 17.5 at WOT so maybe as high as 18.5! Elevation 1200 and 70's I love my SC pulley and would love another one, or if someone can find a machine shop that can shave one. noone in Roanoke, VA can
