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Try not, Do or Do not
Join Date: Apr 2004
Location: Fallbrook, Ca. 92028
Posts: 14,224
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In magnesium cases, we use Supertec head studs with CaseSavers and have had zero reported failures over the last 20+ years.
Quit using Dilivar when we had brand new ones break on the engine stand before the engine ever ran.
As an air-cooled Porsche only engine shop, we see all kinds of engines with varying mileage and rebuild quality. To this day, I have rarely taken apart a mag case 2.7 with Dilivar studs that didn't show head to cylinder instability.
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