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I used aviation sealer on the threads as I always have and a drop of oil under the head on the bolt before putting it in. Maybe the motor was built with a bad set of bolts. I've never had this problem before and I did everything the same. Could this be the start of the end of the world ?? hahhahahaha


All the early(1951 to 1999 or when the 3G hemi came out) Mopar V8 had blind head bolt holes, no sealer needed on any of the head bolts. I use oil (sparingly, coat all the threads lightly )and then torque them in three steps, 25, 50 and then 65 ft. lbs I have had some of the stock 426 Hemi longer head bolts start to stretch and then had to buy some new ones to get the motor together, never a BB or SB or early Hemi Try oil only and see if that works okay for you


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)