Quote:
Originally Posted by
uberthumper
I've done it before. It'll be fine as long as you're not taking the headers on and off very often, and you're careful when you do. One of the main reasons for studs is to save wearing the threads in your (very expensive, alloy) cylinder head.
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+2
Sometimes OEM parts/design need improving.
Othertimes they don't (method in their madness!).
This is the latter case. Steel bolts in an Aluminium head could lead to galvanic reaction - err...rust - causing the bolts to "weld" in place. Hence a steel nut on a steel stud.
In reality, for emergencies, you might get away with a steel bolt (and copper greese?) for awhile. I have on previous bikes. Perhaps not good practice though.