![]() |
|||||
| You are here: >Installation>Connecting Rod--5140 steel connecting rods |
INSTALLATION OF OEM CONNECTING RODS |
![]() |
* Remove all preserve on rods and clean with kerosene. * Remove all cap screws and record every bolt length for stretch reference. Idenfication mark should be placed on cap and rod at each set. * Blow all male and female thread with clean air and brush away any metal
debris & machine residues. Which may cause gouging and seizing on
threads. Rod bearing 0.002-0.003". Pin and Small end; Small end has 0.0009-0.0015" clearance for floating type. Small end is 0.0006-0.0009” Side clearance 0.015-0.025". Make sure to use narrow bearing for a larger journal radius. 8mm Ø 8740 bolt & nut 30-35 FT-LBS with elongation0.0055-0.0070”. 9mm Ø 8740 bolt & nut 40-45 FT-LBS with elongation 0055-0.0065”. 5/16”Ø 8740 bolt & nut 30-35 FT-LBS with elongation 0060-0.0070” 3/8” Ø 8740 bolt & nut 45-55 FT-LBS with elongation 0050-0.0060” 7/16” Ø 8740 bolt & nut 65-75 FT-LBS with elongation0.0065-0.0075” * Ensure the original pair is installed together. Cap and rod are honed together in factory. Mixing pair may change shape of inner bore and damage to journal. * Apply plenty oil on all bearings and hand crank engine to ensure the rod is clear from piston skirt, camshaft, and engine block.
|