There are no torque specs for a 350 Chevy. Follow the valve adjustment instructions in any repair manual for any small block Chevy.
Most 300's have no adjustment. It's just torque down the nut(bolt on newer years). There's aftermarket adjustable kits available.
torque specs 350 Chevy heads65 lbs
45 lbs.
Lack of lubrication.
The 400 Chevy small block motor should have approximately 390 horse power. It should have 427 foot pounds of torque.
35 ft. lbs.
65ft. LBS.
35 ft. lbs.
65 ft-lbs
45 Lb/ft Below is a link to all small block Chevy torque specs.
160 foot lbs