I have read more information on the Perkins 4-318 head gasket issue than I probably should have. The service bulletin "fixes" for this issue have been, according to some, to change the bolts to studs, increase the torque, change back to bolts, etc, etc... Hard to know exactly what to do. Here is the direction I am going to take. Check block and head for flatness, install new studs, install new gasket with Hylomar gasket sealer, torque to ? Let engine warm up to operating temperature, re-torque the head, re-torque again after 25 hours operation. What is the bottom line with replacing the gasket? Thanks.
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