Thread: Head Stud ID
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Eagledriver Eagledriver is offline
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Join Date: May 2003
Posts: 3,231
Well according to all the books the 77 was the first year to have dilavar bottom studs. The tops should be steel and so unless your engine has been apart you shouldn't have to worry about the top studs. It doesn't much matter what your studs are made of until one breaks or you have the engine apart and can change them.

72 Carrera RS replica, Spec 911 racer
Old 10-14-2004, 10:13 PM
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