[old head from phila.]

Hi I am 67 years old,and a chevy man. I have owned 14 supercharged chevys,the first in 1959. In the past i have said i will never buy achrysler or a car with blackwall tires and it must be a v8. Well i bought a 03 pt gt and is it fun. I have not driven my 871 supercharged monte carlo.(High 9.s in 1/4 mile since buying the pt. I took it to the 1/4 mile in Atco NJ. I ran 15.50 at 89.58 mph. I put a .025 hole in a tee fiting an put it in the orange waste gate line the pressure went from a max. of 10 to a max. of 12 but still droping to 7 before shifting but running 15.33 at 92.50.I put Borla dual tip exhaust the week before i ran it helped very little about .o5 in et and about .25 in mph. Does any body know where i can get a single gauge pod,also my boost drops off bad.