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I'm thinking now that these black coated studs I have probably are Dilavar. Otherwise, why would they be coated? The old style steel studs have no issues with corrosion and snapping. Only the old Dilavars.
Since the new version of the 993 stud seems to no longer be coated, or even fully threaded, then perhaps they are steel now. I wonder if the non-coated style is magnetic?
Rob
1980sc
PS: You can see this stud I'm refering to on page 84 of Wayne's engine rebuild book. It's listed as the "993 full-threaded headstud."
Last edited by 1980SC; 09-12-2003 at 07:39 AM..
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