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Can you use heli-coil inserts to replace the pressed in rocker studs on your 1969 Chevy c10 350?
Wiki User
∙ 15y ago
No. The pressed-in studs are 3/8" diameter. A screw-in stud is 7/16-14. You need to machine the top of the tower to a specific height, then tap the 3/8 hole that is in the casting. Consult an automotive machinist for details. I wouldn't use them for that application. you would have to redrill the holes for the helicoils , so you may as well redrill them with a tap drill and tap the holes. I do machine work, and that would be my advise, someone else may have a different opinion.
Wiki User
∙ 15y ago
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Are the rocker arm studs in a 1974 Chevy 350 engine threaded or pressed into the head?
pressed in..
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