The torque specifications for the Edelbrock Performer RPM Air-Gap intake manifold on a 78 350 Chevy are as follows:
• Intake Manifold to Cylinder Head Bolts: 25 ft-lbs (33 Nm)
• Throttle Body to Intake Manifold Bolts: 10 ft-lbs (13 Nm)
• Fuel Injector Hold Down Bolts: 89 in-lbs (10 Nm)
