Umm, I suspect you won't find any fine threads in an aluminum casting...
Don't know why the spark plugs won't fit. A thread gauge would be helpful
here. Am I correct in assuming that the head is already mated to the
block?
Dereck C had this to say:
>Today while assembling the B I ran into a few snags (imagine that). I have
>an aluminum standard head from Northwest Imports (can't find their email
>address) whose threads seem to be different from stock. The manifold
>threads are coarse instead of fine and the spark plugs from the old head do
>not seem to fit in the aluminum head. I resolved the manifold problem by
>running a coarse thread into the hole and finding a set of matching studs at
>the local parts store. Tomorrow morning I want to run and get plugs but I
>don't know what size to get or how to messure any ideas or experience in
>this situation? What are the plug numbers to look for? I was thinking of
>NGK's.
>
>Thanks
>
>Dereck
>________________________________________________________________________
>
>
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.
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