If you lost the connecting rod instruction sheet below are the proper torque specs for our rod bolts.
Ls connecting rod bolt torque specs.
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.
Whenever you are looking to build your own ls swap or frankenstein ls heads and block combination you will need the factory ls1 torque specifications to assemble your block correctly.
Connecting rod bolts first design final pass 60 degrees.
15 lb ft.
Measure from under the head of the bolt to the tip of the bolt.
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.
Length shown below is the under head length.
22 ft lb plus 76 degrees plus 34 degrees.
Camshaft sprocket bolt final pass 50 degrees connecting rod bolts first pass 20 n m 15 lb ft connecting rod bolts final pass 85 degrees coolant air bleed pipe and cover bolts 12 n m 106 lb in coolant temperature sensor 20 n m 15 lb ft crankshaft balancer bolt installation pass to ensure the balancer is completely installed 330 n m.
Coolant temperature gauge sensor.
Rod bolt type column shows bolt diameter length and material type.
Connecting rod bolts second design first pass 15 lb ft.
22 ft lb plus 76 degrees.
Torque converter bolt 4l80 e 4l85 e 60 n m 44 lb ft transmission bolt stud 50 n m 37 lb ft transmission cover bolt 12 n m 106 lb in.
Connecting rod for use on all 1997 2004 production corvettes and 1998 2002 camaro firebird with ls1 ls6.
11mm x 20 0 x 101 0 mm bolts.
Connecting rod installation bolt stretch torque and angle specs.
11mm x 20 0 x 155 5mm bolts.
Connecting rod bolts first pass 20 n m 15 lb ft connecting rod bolts final pass 75 degrees coolant temperature gage sensor 20 n m 15 lb ft.