Table of Contents
- 1 What are the torque specs for a flywheel?
- 2 What is the torque on a flexplate?
- 3 How do you calculate flywheel torque?
- 4 Do you need to torque a flywheel?
- 5 What happens if you don’t torque to spec?
- 6 How important is lug nut torque?
- 7 What are the torque specs for a Stovebolt 235?
- 8 What are the specifications of a Dodge 235?
What are the torque specs for a flywheel?
Small Block Chevy Torque Specs
| Fastener Type | Torque Spec |
|---|---|
| Harmonic Damper Bolt | 60 ft.-lbs. |
| Flywheel/Flexplate Bolts | 65 ft.-lbs. |
| Pressure Plate Bolts | 35 ft.-lbs. |
| Bellhousing Bolts | 25 ft.-lbs. |
What is the torque on a flexplate?
Flywheel Flexplate Torque Specs The flywheel flexplate bolts have 60 foot-pounds of torque.
What is the torque spec?
Recommended torque specifications are unique for each type of vehicle. By definition, torque refers to the amount of rotational force at the point of application. When attaching a wheel to a vehicle, torque specifications are the amount of force recommended on the hardware to ensure proper installation.
How do I know the torque spec of my engine?
Begin with the formula T = K x U x D x P, where T is the torque, K is a standard representing 1.33, U is the coefficient of friction, D is the diameter of the fasteners, and P is the necessary preload.
How do you calculate flywheel torque?
In this experiment a flywheel is so mounted that torques can be applied to it by hanging a mass M from the free end of a string, the remainder of which is wrapped around the axle. The torque due to the weight is τ = Tr where T is the tension in the string and r the radius of the axle.
Do you need to torque a flywheel?
You really need a torque wrench to do this right. The flywheel bolt should be torqued to 43 foot pounds.
How tight should Flexplate bolts be?
These pads need to sit completely flat against the flexplate for proper contact. If these surfaces are not flat, dress them with a file. Install the flexplate onto the crankshaft at this time, using thread locker on the crank bolts. Torque 7/16 bolts in an even tightening sequence to 70 ft/lbs, ½ bolts to 80 ft/lbs.
What is the torque specs on a Chevy 350?
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 happens if you don’t torque to spec?
Insufficient torque Engines that are running, tend to vibrate. In the case of insufficient torque, it’s the stud or the bolt itself that suffers all the impact, causing it to shear. Alternatively, the engine’s vibrations can cause the bolt or nut to come undone, displacing the tensioner.
How important is lug nut torque?
When installing the wheels on a vehicle after servicing, it is important to torque the lug nuts properly. Lug nuts that are not tightened correctly can ruin wheels, affect rotor runout and can be deadly if the wheel comes off or studs snap. Over-torqueing the lug nuts does not affect runout immediately.
How do I calculate torque?
The Torque/Tension Equation is a method used to estimate the torque/tension relationship in an assembly. T = (K D P)/12 can be used to developt a torque value that will achieve a certain tension or clamp load. T = Torque (ft. -lbs.)
Do you know the torque specs for flywheel and pressure plate?
I’m installing the flywheel to the engine and pressure plate to the flywheel either tonight or tomorrow. Does anyone know the torque specs for both set of bolts?
What are the torque specs for a Stovebolt 235?
Thanks for the help. This is for a 1953, 1954 235 with solid lifters. Remember to oil all bolts before setting torque. Torque wrench calibrated lately? See “235/261 Main Cap” Thread for more info. Go to the International Inliners page for head torque sequence.
What are the specifications of a Dodge 235?
235 specifications. General. Bore 3 9/16″. Stroke 3 15/16″. Compression ratio 8.25:1. Horsepower 135 @ 4000 rpm. Compression (cranking) 130 psi (min.) Torque, Lbs.
How much torque does a small block Chevy have?
Small Block Chevy Torque Specs Fastener Type Torque Spec Oil Pump Bolt 60-70 ft.-lbs. Cam Sprocket Bolts 18-20 ft.-lbs. Harmonic Damper Bolt 60 ft.-lbs. Flywheel/Flexplate Bolts 65 ft.-lbs.