Hi all....new here...have f150 xlt 4.6 L winsor v8.........redo head gaskets
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Parts issues abound,main one now is Head bolts

one's out of veh 13 mm or 1/2 inch one received 5/8 or 15 mm and 3/8
shorter.. resolved that . have not resolved size..new bolts 5/8 or 15 mm

....Q: Will that chng torq down lb...could this cause other issue like cracked head or somethin else...

thanks in advance for response...

live long and prosper