Are the cam bolts torque to yield?
12-16-2007, 07:30 PM
#1
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Are the cam bolts torque to yield? O.k., I just purchased a cam off a member on this board. I'm trying to gather all of the parts I will need to make the swap go nice and easy. I've got gaskets, timing chain, oil pump and crank bolt on the list. My question is, are the cam retainer bolts torque to yield or can they be reused? Thanks in advance.
12-17-2007, 06:53 PM
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you guys are missing more,, these are all the bolts on a ls1 that are tty:
Connecting Rod Bolts - First Pass
15 lb ft
Connecting Rod Bolts - Final Pass
85 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 Studs - Outer Studs - First Pass in Sequence
15 lb ft
Crankshaft Bearing Cap Studs - Outer Studs - Final Pass in Sequence
51 degrees
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
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
these are straight from the gm service manual
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06-05-2011, 08:33 AM
#12
Did you break one lol? I broke off one trying to get it to the proper torque spec it just kept stretching and would never hit the right torque number on the wrench and then it snapped. After that I said screw it, I went dow to the local speed shop and got arp cam retainer bolts and cam sprocket bolts no issues after that they only cost 15 bucks for both sets too. I mean come on how can you beat that especially on important parts like the cam? You can definitely tell the difference between those and the stock crap gm bolts.
06-05-2011, 09:39 AM
#13
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Did you break one lol? I broke off one trying to get it to the proper torque spec it just kept stretching and would never hit the right torque number on the wrench and then it snapped. After that I said screw it, I went dow to the local speed shop and got arp cam retainer bolts and cam sprocket bolts no issues after that they only cost 15 bucks for both sets too. I mean come on how can you beat that especially on important parts like the cam? You can definitely tell the difference between those and the stock crap gm bolts.
