Andy
I may be wrong on the 74/75 Issue but as BA states it was the increased size, mag case, aluminium cylider combo that caused the head stud problem and since Porsche did not go to divalar studs until 77 I think it was the thermal reactors that finally broke the camels back
Either way 2.4 with case savers and nikasil is a fairly save bet, if you want more insurance change to a later or after market head stud
Neven
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