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'97 Grand Prix 3100 rocker arm bolt torque

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Old 08-14-2010, 03:37 PM
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Default '97 Grand Prix 3100 rocker arm bolt torque

I put lifters in my "97 Grand Prix 3100. Torque for the rocker arm bolts is:89 in.lbs., plus 30 degrees. Can anyone give me an example of how they went about adding the 30 degrees?
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Old 08-14-2010, 03:44 PM
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GM actually revised that spec in 2002, it should be 124 lb-in + 30*.
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Old 08-14-2010, 04:03 PM
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Think of it this way. When you torqued it to spec, say your on 0... Got 30 more degrees
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Old 08-14-2010, 11:01 PM
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To get it right you will need one of these.

Name:  PC130275.jpg
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Or you can look in to reusable rocker bolts.
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Old 08-14-2010, 11:02 PM
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You are supposed to use a torque angle wrench or something like that, but just do what I did... visualize a 30* angle!
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Old 08-15-2010, 08:06 AM
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Originally Posted by RobertISaar View Post
GM actually revised that spec in 2002, it should be 124 lb-in + 30*.
That includes my '97 G.P.? Where would I find these revisions?
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Old 08-15-2010, 03:04 PM
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they were published in a TSB... i'm not sure where, but i have seen a few places online that post them for free, and it applies to at least all of the small port 3x00 motors.
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Old 08-16-2010, 06:38 PM
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Hey you guys...............Thanks, Got the rocker arms torqued down to the revised specs thanks to Robert Isaar (LizziesPoolBoy), and the 30 degrees I needed, I made a copy of the chart ADDICTED TO EATEN sent to me. Good to go. Thanks again, Theo
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