[DeTomaso] headers/alum heads

[JDeRyke at aol.com]

In a message dated 1/31/09 8:11:35 AM, adin at frontier.net writes:

> It seems the best fix would be studs loctited into the (aluminum) heads 
> would be the best fix, if feasable?
> I would like to hear about a fix with good results, and/or alternative ideas 
> for a fix.
> 
Agreed. In addition, threads cut into aluminum wear out rapidly. So I used 
1-1/4" long gr-8 allen head setscrews with stainless nuts and a little 
anti-sieze in my SVO heads. In going-on 20 years, no loosening and very economical. 
Smokey Yunick says to put a dab of epoxy on the stud-ends, screw them in 
lightly, add the header and a nut and tighten the nut. This stands the stud up 
straight in the hole as the epoxy cures. If you torque a stud into a head, 
chances are it will lean one way or the other a bit, due to uneven bottoming in the 
threads inside the hole, making it difficult to get a header onto the stud(s) 
later. FWIW- J DeRyke



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