THe design of the exhaust will not allow stud, on all
head ports.  Studs make installation of the head pipes,
almost impossible.
                     Eric

Warren.K.Lail-1 wrote:

>Hi everyone,
>
>The engine is going to have to come back out of
>my 88 Westy, Billy Bones, and when I put it back
>in - and I'm not sure when that will be - I was
>wondering whether it is okay to replace those
>exhaust manifold studs with bolts.  Why are bolts
>used on some head connections and studs on others?
>
>Warren
>88 Westy "Billy Bones" (in dry dock)
>87 GL "Long John" (smoothing sailing always)
>
>
>
>