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Try not, Do or Do not
Join Date: Apr 2004
Location: Fallbrook, Ca. 92028
Posts: 14,260
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The 911SC had more head stud problems (IE: breaking) then any other Porsche engine.
They were the first production engine equipped with Dilivar and they only used them on the bottom row making the clamping force on the cylinder to head joint incredibly uneven.
Throw the Dilivar studs away and seek another solution. Of course I think Supertec studs are the best but I advise you to do your own research and come to a conclusion the fit your sensibilities including budget.
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