What is the specification Torque to tighten the connecting rod bolts?
| Connecting Rod Bolt Specification | Steel Connecting Rods | |
|---|---|---|
| Part # | Dia. x U.H.Length | Torque |
| 90839 | 8mm” x 1.850″ | 35 ft lbs |
| 90842 | 3/8″ x 1.600″ | 65 ft lbs |
| 90845 | 5/16″ x 1.500″ | 45 ft lbs |
What is the Torque for 1/2 grade 5 bolt?
Tightening Torque Guide for Grade 5 & 8 Hex Cap Screws
| GRADE 5 | ||
|---|---|---|
| Coarse Thread | ||
| 1/2-13 (.500) | 9075 | 57 ft lbs. |
| 9/16-12 (.5625) | 11625 | 82 ft lbs. |
| 5/8-11 (.625) | 14400 | 112 ft lbs. |
How to determine the torque of a connecting rod?
STEP 1: Your Crower connecting rods came with a connecting rod specification tag. Check the tag to find the rod bolt part number used to fasten your connecting rods. Rod bolt length listed here is the measurement from under the head to the end. STEP 2: Use the chart below to determine the recommended lubricant, rod bolt stretch and torque amounts.
Do you have to torque your rod bolts?
Torqueing your rod bolts without pre-determining the required torque to achieve the correct rod bolt stretch is not recommended. However if this is the only tightening method available to you, DO NOT EXCEED THE TORQUE AMOUNT INDICATED FOR YOUR BOLTS. NOTE: Your Crowerods are totally rebuildable.
Where do I find the rod bolt part number?
Check the tag to find the rod bolt part number used to fasten your connecting rods. Rod bolt length listed here is the measurement from under the head to the end. STEP 2: Use the chart below to determine the recommended lubricant, rod bolt stretch and torque amounts.
How do you Torque a roller lifter rod?
Using the above table, torque the rod bolts to achieve the required amount of stretch for your application. Record this torque spec as this is the exact torque spec that you will be using to install your rods in the motor.