fredkanter wrote:
If using bolts instead of studs were better Packard would have realized that during their 35+ yeas of using studs. Then threads that go into the block are different from the threads that the nuts go on as they are "water seal" threads needed to keep the water in the block from creeping up the threads. Bolts are not made with those threads and if there were bolts, after removing and replacing them numerous times over a cars life the threads would wear slightly and leak some water.
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