Can't help with the plugs other than to say get the same heat range as you would
usually run, but with the other size thread (I think there are only 2 sizes).
With the studs, make sure they are the correct hardness!!! That probably can't
be emphasized enough. a weak stud will stretch, and put you out of tune at the
least.
Phil Bates
Dereck C wrote:
> 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
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