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Thread: 6.0 LQ4 Torque Specs

  1. #1
    Join Date
    Jun 2009
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    Caledonia, MI
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    6.0 LQ4 Torque Specs

    Putting stage 2.5 prc heads and a cam in my 6.0, was wondering if anyone had torque specs for everything. Yes, I have looked over at LS1Howto.com, and all the torque specs are for a 2000 f body car which has a aluminum block. I just want to make sure i have the exact specs for my iron block 6.0. Plus i know there is a difference in specs for 1st and 2nd design connecting rods. If anyone has these specs or knows where I can get them (for free) please let me know. Thanks!
    Silverado Z71 10" Lift COMPLETE 6.0/4L80E PRC 2.5 Ported LS6 Heads 228r Comp Cam 3200 CIRCLE D Stall LS7 Lifters ARP Bolts SLP Oil Pump and Double Timing Chain 160 T-Stat 3" SLP Loudmouth Electric Cutout Walbro 255 Pacesetter Longtubes MSD Starter NELSON Harmess NELSON Street/Strip Tuned ECM MSD Wires LS1 Throttle Body Braided Lines Spectre CAI 4.56 Gears Detroit Locker 14 bolt http://www.ls1truck.com/forums/lsx-t...wap-build.html

  2. #2
    Join Date
    Dec 2006
    Posts
    4,033
    this what you wanting?

    Torque Specs
    Bolts or Engine Parts to Torque Amount to Torque or Turn (Degrees) to:
    Camshaft Retainer Bolts 18 lb ft
    Camshaft Sensor Bolt 18 lb ft
    Camshaft Sprocket Bolts 26 lb ft
    Connecting Rod Bolts - First Design (First Pass) 15 lb ft
    Connecting Rod Bolts - First Design (Final Pass) 60 degrees
    Connecting Rod Bolts - Second Design (First Pass) 15 lb ft
    Connecting Rod Bolts - Second Design (Final Pass) 75 degrees
    Crankshaft Balancer Bolt (Installation Pass-to Ensure the Balancer is Completely Installed) 240 lb ft
    Crankshaft Balancer Bolt (First Pass-Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes) 37 lb ft
    Crankshaft Balancer Bolt (Final Pass) 140 degrees
    Crankshaft Bearing Cap Bolts (Inner Bolts-First Pass in Sequence) 15 lb ft
    Crankshaft Bearing Cap Bolts (Inner Bolts-Final Pass in Sequence) 80 degrees
    Crankshaft Bearing Cap Side Bolts 18 lb ft
    Crankshaft Bearing Cap Studs (Outer Studs-First Pass in Sequence) 15 lb ft
    Crankshaft Bearing Cap Studs (Outer Studs-Final Pass in Sequence) 53 degrees
    Crankshaft Position Sensor Bolt 18 lb ft
    Cylinder Head Bolts (First Pass all M11 Bolts in Sequence) 22 lb ft
    Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence) 90 degrees
    Cylinder Head Bolts (Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head) 90 degrees
    Cylinder Head Bolts (Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence) 50 degrees
    Cylinder Head Bolts (M8 Inner Bolts in Sequence) 22 lb ft
    Engine Flywheel Bolts 74 lb ft
    Engine Flywheel-to-Torque Converter Bolts 44 lb ft
    Engine Front Cover Bolts 18 lb ft
    Engine Rear Cover Bolts 18 lb ft
    Engine Valley Cover Bolts 18 lb ft
    Exhaust Manifold Bolts 18 lb ft
    Fuel Injection Fuel Rail Bolts 89 lb in
    Intake Manifold Bolts (in sequence) 89 lb in
    Knock Sensors 15 lb ft
    Oil Pan M8 Bolts (Oil Pan-to-Engine Block and Oil Pan-to-Front Cover) 18 lb ft
    Oil Pan M6 Bolts (Oil Pan-to-Rear Cover) 106 lb in
    Valve Rocker Arm Bolts 22 lb ft
    Valve Rocker Arm Cover Bolts 106 lb in
    Water Inlet Housing Bolts 11 lb ft
    Water Pump Bolts (First Pass) 11 lb ft
    Water Pump Bolts (Final Pass) 22 lb ft
    Water Pump Cover Bolts 11 lb ft

    http://houstonperformancetrucks.com/...p-torque-specs
    Simple: 408 on steroids!
    single digits coming soon!

  3. #3
    Join Date
    Jun 2009
    Location
    Caledonia, MI
    Posts
    322
    Ya that looks about right, it says for LS series heads so that has to be correct. I was just wondering if there is a difference for stuff like the cam retainer bolt/ connecting rod bolts...etc since it is an iron block rather than an alum block, because that site didnt specify what ls it was for. But thanks that def helps, and the sequence photo will be really easy to use.
    Silverado Z71 10" Lift COMPLETE 6.0/4L80E PRC 2.5 Ported LS6 Heads 228r Comp Cam 3200 CIRCLE D Stall LS7 Lifters ARP Bolts SLP Oil Pump and Double Timing Chain 160 T-Stat 3" SLP Loudmouth Electric Cutout Walbro 255 Pacesetter Longtubes MSD Starter NELSON Harmess NELSON Street/Strip Tuned ECM MSD Wires LS1 Throttle Body Braided Lines Spectre CAI 4.56 Gears Detroit Locker 14 bolt http://www.ls1truck.com/forums/lsx-t...wap-build.html

  4. #4
    Join Date
    Dec 2006
    Posts
    4,033
    Quote Originally Posted by HPICamaroSS View Post
    Ya that looks about right, it says for LS series heads so that has to be correct. I was just wondering if there is a difference for stuff like the cam retainer bolt/ connecting rod bolts...etc since it is an iron block rather than an alum block, because that site didnt specify what ls it was for. But thanks that def helps, and the sequence photo will be really easy to use.
    ive lived by the specs shown above, i run a healthy 408 and hadnt had any issues
    Simple: 408 on steroids!
    single digits coming soon!

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