Short Block Assembly

by | Jan 28, 2021 | Engine | 0 comments

Torque Specs

Fastener Type Fist Pass Second Pass Final Pass
Main Caps Inner Bolts 15 ft.-lbs. 80 degrees
Outer Studs 51 degrees
Side Bolts 18 ft.-lbs.
Connecting Rod Bolts First Design 15 ft.-lbs. 60 degrees
Second Design 85 degrees
Oil Pump Bolts 18 ft.-lbs.
Camshaft Retainer Plate Bolts 18 ft.-lbs.
Camshaft Sprocket Bolts 26 ft.-lbs.
Harmonic Balancer with an old bolt, to seat the balancer 240 ft.-lbs.
With a new bolt, for final assembly 37 ft.-lbs. 140 degrees
Flywheel / Flexplate Bolts 15 ft.-lbs. 37 ft.-lbs. 74 ft.-lbs.
Exhaust Manifold / Header Bolts 11 ft.-lbs. 18 ft.-lbs.
Camshaft Sensor Bolt 18 ft.-lbs.
Crankshaft Position Sensor Bolt 18 ft.-lbs.
Front Cover Bolts 18 ft.-lbs.
Rear Cover Bolts 18 ft.-lbs.
Oil Pan Bolts Pan to Block 18 ft.-lbs.
Pan to Front Cover 18 ft.-lbs.
Pan to Rear Cover 106 in.-lbs.
Water Pump Bolts 11 ft.-lbs. 22 ft.-lbs.

Rod Bolt Types

Mains Pattern

Piston Ring Clocking