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Old 02-15-2012, 05:07 PM
dwc1435 dwc1435 is offline
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***Please Help***

I just did a Lower and upper intake manifold gasket change on a 97 Grand prix se with a 3.1. can you tell me if these are the right torque specs for the pushrods bolts and lim bolts. everyone tells me 89-in lbs for the rocker arm bolts but that dosent seem to tight. this guys complete teardown i got from this site says that about it:
i got it here:http://www.grandamgt.com/forum/showthread.php?t=68087
I just need to find the correct torqe specs for the rocker arms. below he says 162 in lbs is that correct. i got the site right above.



"30.) Put the new LIM gaskets in place and put a new bead of RTV sealant along the ridge between the heads (The RTV sealant bead should be ~5mm).
31.) Reinstall the pushrods (making sure they are in the correct order) and put the rocker arms and bolts in finger tight (Making sure the small ridge on the bottom of the rocket arm pedestal lines up with the in the heads). Now torque all the rocker arms to 168 in-lbs, then tighten the bolt an additional 30 degrees.
32.) Slowly and Carefully lower the LIM into place on the heads MAKING SURE that it is perfectly lined up (It's easiest to tell by the ridges along where the valve cover gaskets used to be).
33.) Coat the LIM bolts with the pipe thread sealant and then put them in finger tight.
34.) Torque the top 4 LIM bolts to 62 in-lbs in this tightening sequence:
4 - 2
3 - 1
35.) Torque the 4 side LIM bolts to 115 in-lbs in this tightening sequence:
8 - 6
7 - 5"
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