Ls Connecting Rod Torque

The new small block is known as the ls engine family and has more than successfully replaced 350 s and 305 s that were based in design from the 1950 s.

Ls connecting rod torque.

Coolant temperature gauge sensor. The rod bolts should continue to be tightened using twopasses advertisementclick here to read moreadvertisement the new specification calls for the second pass value to be increased from 75 to 85. Replacing the old tried and true small block chevy engine with a new version would not be an easy task. Tighten connecting rod bolts torque fasteners note.

I made a mistake last time and said torque your mains to 45ft lbs and 55ft lbs respectively. Connecting rod used in 2005 2007 ls2 and 2008 2012 ls3 engines has bronze bushing. When working on gen iii and gen iv vortec 4 8l 5 3l 5 7l 6 0l and6 2l v8 engines you should follow a new connecting rod bolt torquespecification. The procedures described in this step apply to engines using gm connecting rods and rod bolts only.

I didn t sit well with me. Connecting rod bolts second design first pass 15 lb ft. Connecting rod bolts first pass 20 nm 15 lb ft connecting rod bolts final pass 85 degrees coolant temperature gauge sensor 20 nm 15 lb ft crankshaft balancer bolt installation pass to ensure the balancer is completely installed 330 nm 240 lb ft. Connecting rod bolts first design final pass 60 degrees.

Connecting rod bolts second design final pass 75 degrees. From a mathematical standpoint a couple thousandths of an inch of rod length doesn t impact the ratio much at all. If using aftermarket rods or bolts follow the tightening procedure specified by the manufacturer and read utilizing fastener stretch below for more information. If you lost the connecting rod instruction sheet below are the proper torque specs for our rod bolts.