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Discussion Starter · #1 ·
I looked up my new valve springs for my cam and the rocker arm studs that are in there seem a little on the weak side , the ones in there have a 3/8 thread on them in the head and 7/16 on the top ( gen 6 BBC vortech ) , now I was going to go to the next size up which is 7/16ths , is there enough meat thee to tap it out safely and use it or am I better off going to the 1/2 in base studs ?? this is a towing vehicle
 
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