Dissapointing performance

cam timing ? something is wrong and your right, it is not the exhaust size limiting the lowend torque. if anything 2" would make the 360 have more lowend torque and suffer at higher rpm.
Cam is timed and double cheked. It it where comp cams andivce to set it. Here is the cam COMP Cams: Xtreme Energy™, XS282S <BR> Serious Street/Strip, Radical Idle
Intake close 67 abdc that might explain low vacuum at idle?? 7 inch vacuum.