Quote:
Originally Posted by nkaminar
Almost any stud can be ordered from McMaster Carr. As others have stated, you will need longer studs with thicker heads. You may also need a longer connecting shaft for the distributor.
The aluminum heads will cave in near the stud to form a concave surface where the nut rides. The thin washer supplied with the heads are not strong enough to prevent this. A substantial washer is needed to spread out the load. I have seen this happen on my car when installing an aluminum head.
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The studs which are 1/4 longer than the standard stock ones have been ordered. I will be sure to try them out before applying sealant and tightening the nuts down.
This is not a "new" head, it was on the car when we had it shipped out this spring. The distributor fit fine, so I imagine it will be okay.
I ordered some hardened steel, not stainless washers. Hopefully, they will be okay. The head nuts had no washers when I started.
Bill