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Showing results for tags 'logical reason?'.
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I'm sure this has been discussed here before; why do some engines have studs for head bolts and some use just regular cap screws? What are the advantages from one to the other? Studs are a PIA IMO. The ONLY advantage I see is you can heat the nut if it is seized. Is there some other "engineering reason" that I've missed? Same goes for connecting rods and manifolds, some studs, some bolts -no rime or reason.