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Power Strokes
6.4 Aftermarket
Studs discussion
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[QUOTE="Morgan@Midwest Diesel & Auto, post: 881675, member: 8143"] Once again not true. The torque required does not reflect the actual streets put on the block. I know it's hard to understand but different psi of tensile strength with different lubes takes different torques to achieve the same clamping force. It doesn't matter, 30,000 psi of clamping force is 30,000 psi of clamping force. Regardless if it takes 190 or 275 FTlbs to apply that force it still only puts 30,000 psi worth of pull on the block. One stud just has different stretch, lube pitch that dictates what it takes to archive 30,000 psi worth of cylinder holding clamping force over a 3.87" bore area. In no way can you achieve more clamping force over a given square area with the same amount/size of studs while putting less force on the block to hold the cylinder head. It is physically impossible to do by just changing stud material. The only way to add more clamping force is to add more studs per cylinder or torque them to a higher yield per given psi stud. I hope that explains it better. [/QUOTE]
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