What are the torque specs for a 350 Chevy?

Top-End Torque Specs The Chevrolet 350 cylinder-head torque specification is 65 ft. -lbs. The intake installed onto cast-iron heads requires 30 ft.

What are the head bolt torque settings?

1. Tighten each bolt to 7-9 foot pounds of torque. 2, Tighten each bolt to 12-14 foot pounds of torque.

How do you torque heads on a 350 Chevy?

How to Tighten 350 Chevy Heads

Stand facing the head you are tightening.
Mark the top row of head bolts, using a wax marker, starting with the leftmost bolt.
Attach a socket matching the size of your 350 Chevy’s head bolts to a torque wrench.
Set the torque wrench to 65 foot-pounds.

What is the final torque specification for the bolts on the main bearing caps?

On the 3.0L engine, the main bearing cap bolts should be torqued in proper sequence to 14 ft. lbs. (20 Nm), then an additional 90 degrees and another 45 degrees after that. Also on the 3.0L engine, the connecting rod cap nuts should be torqued in proper sequence to 22 ft.

What is the horsepower of a 350 Chevy engine?

The Chevy 350 engine is a 350 cubic inch (5.7-liter) small block V8 with a 4.00 and 3.48 inch bore and stroke. Depending on the year, make and model of a car, horsepower ranges from approximately 145 to more than 370.

What are the torque specifications?

Torque is measured as a unit of force acting on a rotating lever of some set length. Remembering that torque is the turning effort or force applied to the fastener to preload it, or place it in tension, and is normally expressed in inch-pounds (in.lb) or foot-pounds (ft.lb). …

What are torque specs?

Why is a 327 better than a 350?

In the vehicle, it’s more of a matter of “gearing” than revs. A 327 with it’s shorter stroke would need shorter gears so it can GET to its revs, where a 350, with its slightly longer stroke and more torque output will pull a little taller gear than the 327 will.

How much torque does a small block Chevy have?

Bolts or Parts Torque to: 7/16 Main Caps (2 bolt) 70 ft-lbs. 7/16 Inner Main Caps (4 bolt) 70 ft-lbs. 7/16 Outer Main Caps (4 bolt) 65 ft-lbs. 3/8 Outer Main Caps (4 bolt) 40 ft-lbs.

What’s the torque pattern for a SBC engine?

First time around, set your torque wrench to 20, follow the pattern, then repeat the pattern (image above) again after setting the wrench to 30. The image above shows the torque pattern to be used when reinstalling the heads on any SBC engine. “The book” says to follow the pattern twice, cutting the torque spec in half the first time.

What are the torque specifications for a Chevy Corvette?

24.4 C4 – REAR Bushing Clamp Bolts Type: Bolt 65.08 C4 – Ball Joint to LOWER Control Arm Nut Type: 43.39 Type: 67.79 C4 – LOWER Ball Joint NOTE: 50 + Cotter Pin Align Type: 44.74 C4 – UPPER Ball Joint NOTE: 33 + Cotter Pin Align Type: 20.34 C4 – Master Cylinder Mounting Nuts Type: 32.54 Type: 32.54 Type: 21.69 C4 – REAR (Guide Pins) – LOWER Type:

What should intake manifold bolts be torqued to?

Intake manifold bolts on SBC engines should be torqued to 30 lb-ft in a two-step sequence. First time around, set your torque wrench to 20, follow the pattern, then repeat the pattern (image above) again after setting the wrench to 30. The image above shows the torque pattern to be used when reinstalling the heads on any SBC engine.

Bolts or Parts Torque to: 7/16 Main Caps (2 bolt) 70 ft-lbs. 7/16 Inner Main Caps (4 bolt) 70 ft-lbs. 7/16 Outer Main Caps (4 bolt) 65 ft-lbs. 3/8 Outer Main Caps (4 bolt) 40 ft-lbs.

What are torque specifications for GM 7.4L 454ci V8?

Crankshaft To Engine Block 128.8 Cylinder Head To Engine Block Distributor Clamp To Engine Block Drain Plug To Oil Pan Engine Temp Sensor To Engine Block Exhaust Manifold To Cylinder Head Flywheel To Crankshaft Intake Manifold To Cylinder Head Oil Pan To Engine Block Oil Pan To Engine Block